Smallest Mailing Envelope

Designed to protect mailed items from damage and prying eyes, this Happy Mail padded bubble envelope comes with a self-adhesive strip..Overall mailer dimensions: 6" x 9".Features a self-sealing closure for easy and secure mailing.Comes in pink.Dozen mailers per pack.Interior bubble wrap keeps mail cushioned during bumpy rides

For those occasions calling for a dainty announcement envelope, the A1 (3 5/8 x 5 1/8) is your ideal choice - this diminutive envelope is the smallest of its kind allowed through the mail! The A1 envelope is a social and invitation-type envelope; it dimensions make it the most common-sized envelope used for RSVP and announcement purposes. Featuring an attractive square flap, the A1 fits inside all other "A" envelope sizes..A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for party invites/thank you cards/wedding invites/announcements.Comes in Taupe Metallic, 80lb. Text Paper.Dimensions: 3 5/8"L x 5 1/8"W.Peel & Press Sealing Method.LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for Invitations, Weddings, Announcements, Photos, and so much more!

For those occasions calling for a dainty announcement envelope, the A1 (3 5/8 x 5 1/8) is your ideal choice - this diminutive envelope is the smallest of its kind allowed through the mail! The A1 envelope is a social and invitation-type envelope; it dimensions make it the most common-sized envelope used for RSVP and announcement purposes. Featuring an attractive square flap, the A1 fits inside all other "A" envelope sizes..A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for party invites/thank you cards/wedding invites/announcements.Comes in Taupe Metallic, 80lb. Text Paper.Dimensions: 3 5/8"L x 5 1/8"W.Peel & Press Sealing Method.LUX A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for Invitations, Weddings, Announcements, Photos, and so much more!

LUX® Size A1 envelope in rose quartz metallic color measuring 3 5/8" x 5 1/8" features an elegant square flap with moistenable glue for sealing. Envelope of paper weight 80 lbs is laser print compatible and is sold as 50 per pack..A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for party invites/thank you cards/wedding invites/announcements.Comes in Rose Quartz Metallic, 80lb. Text Paper.Size: A1 (3 5/8" x 5 1/8").Closure: Moistenable glue.Opening: Square flap.Material: Paper.Finish: Smooth.Paper weight: 80 lbs..Seam type: Side.Laser printer compatible.Diminutive envelope is the smallest of its kind allowed through the mail.A1 envelope is a social and invitation-type envelope.Its dimensions make it the most common-sized envelope used for RSVP and announcement purposes.Featuring an attractive square flap, the A1 fits inside all other "A" envelope sizes.Lux® Size A1 envelope in rose quartz metallic color is best suited for RSVP as well as occasions calling for a dainty announcements and measures 3 5/8" x 5 1/8", is sold as 50 per pack.

LUX® Size A1 envelope in midnight black color measuring 3 5/8" x 5 1/8" features an elegant square flap with moistenable glue for sealing. Envelope of paper weight 70 lbs is ideal for advertisement purpose and is sold as 50 per pack..A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for party invites/thank you cards/wedding invites/announcements.Comes in Midnight Black, 80lb. Text Paper.Size: A1 (3 5/8" x 5 1/8").Closure: Peel and press.Opening: Square flap.Material: Paper.Finish: Smooth.Paper weight: 80 lbs..Seam type: Side.Laser and inkjet printer compatible.Diminutive envelope is the smallest of its kind allowed through the mail.A1 envelope is a social and invitation-type envelope.Its dimensions make it the most common-sized envelope used for RSVP and announcement purposes.Featuring an attractive square flap, the A1 fits inside all other "A" envelope sizes.Lux® Size A1 envelope in midnight black color is best suited for RSVP as well as announcements purposes and measures 3 5/8" x 5 1/8", is sold as 50 per pack.

LUX® A1 Envelope in baby blue color measuring 3 5/8" x 5 1/8" features an elegant square flap with peel and press for sealing. Envelope of paper weight 70 lbs is ideal for advertisement and RSVP purpose, sold as 1000 per box..A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for party invites/thank you cards/wedding invites/announcements.Comes in Baby Blue, 80lb. Text Paper.Size: A1 (3 5/8" x 5 1/8").Closure: Peel & press.Opening: Square flap.Material: Paper.Paper weight: 80 lbs..Collection name: Exclusive.Finish: Smooth.Laser and inkjet printer compatible.For those occasions calling for a dainty announcement envelope.Your ideal choice - this diminutive envelope is the smallest of its kind allowed through the mail.Social and invitation-type envelope.Its dimensions make it the most common-sized envelope used for RSVP and announcement purposes.LUX® A1 Envelope in baby blue color measuring 3 5/8" x 5 1/8" is best suited for RSVP as well as occasions calling for a dainty announcements and is sold as 1000 per box.

LUX® Size A1 envelope in baby blue color measuring 3 5/8" x 5 1/8" features an elegant square flap with moistenable glue for sealing. Envelope of paper weight 70 lbs is ideal for advertisement purpose and is sold as 50 per pack..Baby blue.Size: A1 (3 5/8" x 5 1/8").Closure: Peel and press.Opening: Square flap.Material: Paper.Finish: Smooth.Paper weight: 80 lbs..Seam type: Side.Laser and inkjet printer compatible.Diminutive envelope is the smallest of its kind allowed through the mail.A1 envelope is a social and invitation-type envelope.Its dimensions make it the most common-sized envelope used for RSVP and announcement purposes.Featuring an attractive square flap, the A1 fits inside all other "A" envelope sizes.A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for party invites/thank you cards/wedding invites/announcements.Comes in Baby Blue, 80lb. Text Paper.Dimensions: 3 5/8"L x 5 1/8"W.Peel & Press Sealing Method.Lux® Size A1 envelope in baby blue color is best suited for RSVP as well as announcements purposes and measures 3 5/8" x 5 1/8", is sold as 50 per pack.

LUX® A1 Envelope in amethyst metallic color measuring 3 5/8" x 5 1/8" features an elegant square flap with moistenable glue for sealing. Envelope of paper weight 80 lbs is laser, sold as 250 per pack..Amethyst metallic.Size: A1 (3 5/8" x 5 1/8").Closure: Moistenable glue.Opening: Square flap.Material: Paper.Paper weight: 80 lbs..Collection name: Metallics.Laser printer compatible.For those occasions calling for a dainty announcement envelope.This diminutive envelope is the smallest of its kind allowed through the mail.Its dimensions make it the most common-sized envelope used for RSVP and announcement purposes.Looks amazingly like the metal or mineral the color is named for.A modern way to convey quality and add personality, with sparkle and shimmer that stands out.A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for party invites/thank you cards/wedding invites/announcements.Comes in Amethyst Metallic, 80lb. Text Paper.Dimensions: 3 5/8"L x 5 1/8"W.Peel & Press Sealing Method.LUX® A1 Envelope in amethyst metallic color measuring 3 5/8" x 5 1/8" is ideal for RSVP and occasions calling for a dainty announcements, sold as 250 per pack.

LUX® Size A1 envelope in azalea metallic color measuring 3 5/8" x 5 1/8" features an elegant square flap with moistenable glue for sealing. Envelope of paper weight 80 lbs is laser print compatible and is sold as 50 per pack..A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for party invites/thank you cards/wedding invites/announcements.Comes in Azalea Metallic, 80lb. Text Paper.Size: A1 (3 5/8" x 5 1/8").Closure: Moistenable glue.Opening: Square flap.Material: Paper.Finish: Smooth.Paper weight: 80 lbs..Seam type: Side.Laser printer compatible.Diminutive envelope is the smallest of its kind allowed through the mail.A1 envelope is a social and invitation-type envelope.Its dimensions make it the most common-sized envelope used for RSVP and announcement purposes.Featuring an attractive square flap, the A1 fits inside all other "A" envelope sizes.Lux® Size A1 envelope in azalea metallic color is best suited for RSVP as well as occasions calling for a dainty announcements and measures 3 5/8" x 5 1/8", is sold as 50 per pack.

LUX® A1 Envelope in aquamarine metallic color measuring 3 5/8" x 5 1/8" features an elegant square flap with moistenable glue for sealing. Envelope of paper weight 80 lbs is laser, sold as 250 per pack..Aquamarine metallic.Size: A1 (3 5/8" x 5 1/8").Closure: Moistenable glue.Opening: Square flap.Material: Paper.Paper weight: 80 lbs..Collection name: Metallics.Laser printer compatible.For those occasions calling for a dainty announcement envelope.This diminutive envelope is the smallest of its kind allowed through the mail.Its dimensions make it the most common-sized envelope used for RSVP and announcement purposes.Looks amazingly like the metal or mineral the color is named for.A modern way to convey quality and add personality, with sparkle and shimmer that stands out.A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for party invites/thank you cards/wedding invites/announcements.Comes in Aquamarine Metallic, 80lb. Text Paper.Dimensions: 3 5/8"L x 5 1/8"W.Peel & Press Sealing Method.LUX® A1 Envelope in aquamarine metallic color measuring 3 5/8" x 5 1/8" is ideal for RSVP and occasions calling for a dainty announcements, sold as 250 per pack.

LUX® Envelope in midnight black color has a peel and a press flap for secured sealing. Envelope measuring A1 (3 5/8" x 5 1/8") has a paper weight of 80 lbs and is the smallest type of envelope allowed through mail, sold as 250 per box..A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for party invites/thank you cards/wedding invites/announcements.Comes in Midnight Black, 80lb. Text Paper.Dimensions: 3 5/8"L x 5 1/8"W.Peel & Press Sealing Method.250/box.Closure: Peel & press.Opening: Square flap.Material: Paper.Paper weight: 80 lbs..Collection name: Black.A1 envelope is a social and invitation-type envelope.It dimensions make it the most common-sized envelope used for RSVP and announcement purposes.LUX® Envelope in midnight black color measuring A1 (3 5/8" x 5 1/8") features an elegant square flap and is perfect for social, RSVP, announcement functions or invitation purpose, sold as 250 per box.

LUX® A1 Envelope in azalea metallic color measuring 3 5/8" x 5 1/8" features an elegant square flap with moistenable glue for sealing. Envelope of paper weight 80 lbs is laser, sold as 250 per pack..Azalea metallic.Size: A1 (3 5/8" x 5 1/8").Closure: Moistenable glue.Opening: Square flap.Material: Paper.Paper weight: 80 lbs..Collection name: Metallics.Laser printer compatible.For those occasions calling for a dainty announcement envelope.This diminutive envelope is the smallest of its kind allowed through the mail.Its dimensions make it the most common-sized envelope used for RSVP and announcement purposes.Looks amazingly like the metal or mineral the color is named for.A modern way to convey quality and add personality, with sparkle and shimmer that stands out.A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for party invites/thank you cards/wedding invites/announcements.Comes in Azalea Metallic, 80lb. Text Paper.Dimensions: 3 5/8"L x 5 1/8"W.Peel & Press Sealing Method.LUX® A1 Envelope in azalea metallic color measuring 3 5/8" x 5 1/8" is ideal for RSVP and occasions calling for a dainty announcements, sold as 250 per pack.

LUX® Envelope in midnight black color has a peel and a press flap for secured sealing. Envelope measuring A1 (3 5/8" x 5 1/8") has a paper weight of 80 lbs and is the smallest type of envelope allowed through mail, sold as 500 per box..A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for party invites/thank you cards/wedding invites/announcements.Comes in Midnight Black, 80lb. Text Paper.Dimensions: 3 5/8"L x 5 1/8"W.Peel & Press Sealing Method.500/box.Closure: Peel & press.Opening: Square flap.Material: Paper.Paper weight: 80 lbs..Collection name: Black.A1 envelope is a social and invitation-type envelope.It dimensions make it the most common-sized envelope used for RSVP and announcement purposes.LUX® Envelope in midnight black color measuring A1 (3 5/8" x 5 1/8") features an elegant square flap and is perfect for social, RSVP, announcement functions or invitation purpose, sold as 500 per box.

LUX® A1 Envelope in black linen color measuring 3 5/8" x 5 1/8" features an elegant square flap with moistenable glue for sealing. Envelope of paper weight 80 lbs is ideal for advertisement purpose and is sold as 50 per pack..A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for party invites/thank you cards/wedding invites/announcements.Comes in Black Linen, 80lb. Text Paper.Closure: Peel and press.Opening: Square flap.Material: Paper.Finish: Linen.Seam type: Side.Diminutive envelope is the smallest of its kind allowed through the mail.A1 envelope is a social and invitation-type envelope.Its dimensions make it the most common-sized envelope used for RSVP and announcement purposes.Featuring an attractive square flap, the A1 fits inside all other "A" envelope sizes.LUX® A1 Envelope in black linen color measuring 3 5/8" x 5 1/8" is best suited for RSVP as well as announcements purposes and is sold as 50 per pack.

LUX® A1 envelope in natural linen color measuring 3 5/8" x 5 1/8" features an elegant square flap with peel and press for sealing. Envelope of paper weight 70 lbs is laser and inkjet compatible, sold as 1000 per pack..A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for party invites/thank you cards/wedding invites/announcements.Comes in Natural Linen, 80lb. Text Paper.Closure: Peel & press.Opening: Square flap.Collection name: Linen.For those occasions calling for a dainty announcement envelope, this diminutive envelope is the smallest of its kind allowed through the mail.LUX® A1 Envelope in natural linen color measuring 3 5/8" x 5 1/8" is perfect for RSVP and occasions calling for announcements, sold as 1000 per pack.

LUX® A1 Envelope in anthracite metallic color measuring 3 5/8" x 5 1/8" features an elegant square flap with moistenable glue for sealing. Envelope of paper weight 80 lbs is laser, sold as 1000 per pack..Anthracite metallic.Size: A1 (3 5/8" x 5 1/8").Closure: Moistenable glue.Opening: Square flap.Material: Paper.Paper weight: 80 lbs..Collection name: Metallics.Laser printer compatible.For those occasions calling for a dainty announcement envelope.This diminutive envelope is the smallest of its kind allowed through the mail.Its dimensions make it the most common-sized envelope used for RSVP and announcement purposes.Looks amazingly like the metal or mineral the color is named for.A modern way to convey quality and add personality, with sparkle and shimmer that stands out.A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for party invites/thank you cards/wedding invites/announcements.Comes in Anthracite Metallic, 80lb. Text Paper.Dimensions: 3 5/8"L x 5 1/8"W.Peel & Press Sealing Method.LUX® A1 Envelope in anthracite metallic color measuring 3 5/8" x 5 1/8" is ideal for RSVP and occasions calling for a dainty announcements, sold as 1000 per pack.

LUX® Size A1 envelope in pool color measuring 3 5/8" x 5 1/8" features an elegant square flap with moistenable glue for sealing. Envelope of paper weight 70 lbs is ideal for advertisement purpose and is sold as 50 per pack..A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for party invites/thank you cards/wedding invites/announcements.Comes in Pool, 80lb. Text Paper.Size: A1 (3 5/8" x 5 1/8").Closure: Peel and press.Opening: Square flap.Material: Paper.Finish: Smooth.Paper weight: 80 lbs..Seam type: Side.Laser and inkjet printer compatible.Diminutive envelope is the smallest of its kind allowed through the mail.A1 envelope is a social and invitation-type envelope.Its dimensions make it the most common-sized envelope used for RSVP and announcement purposes.Featuring an attractive square flap, the A1 fits inside all other "A" envelope sizes.Lux® Size A1 envelope in pool color is best suited for RSVP as well as announcements purposes and measures 3 5/8" x 5 1/8", is sold as 50 per pack.

LUX® A1 envelope in natural linen color measuring 3 5/8" x 5 1/8" features an elegant square flap with peel and press for sealing. Envelope of paper weight 70 lbs is laser and inkjet compatible, sold as 250 per pack..A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for party invites/thank you cards/wedding invites/announcements.Comes in Natural Linen, 80lb. Text Paper.Closure: Peel & press.Opening: Square flap.Paper weight: 70 lbs..Collection name: Linen.For those occasions calling for a dainty announcement envelope, this diminutive envelope is the smallest of its kind allowed through the mail.LUX® A1 Envelope in natural linen color measuring 3 5/8" x 5 1/8" is perfect for RSVP and occasions calling for a dainty announcements, sold as 250 per box.

LUX® A1 Envelope in garnet color has moistenable glue flap on short side helps that hold things from falling out when opened. Envelope of size 3 5/8" x 5 1/8" has a paper weight of 70 lbs and is sold as 1000 per box..A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for party invites/thank you cards/wedding invites/announcements.Comes in Garnet, 80lb. Text Paper.Peel & Press Sealing Method.Garnet.Closure: Moistenable glue.Opening: Square flap.Material: Paper.Collection name: Exclusive.For those occasions calling for a dainty announcement envelope.Your ideal choice - this diminutive envelope is the smallest of its kind allowed through the mail.Social and invitation-type envelope.Its dimensions make it the most common-sized envelope used for RSVP and announcement purposes.LUX® A1 Envelope in garnet color measuring 3 5/8" x 5 1/8" is used for sending flat, heavy materials or many small items like coins, catalogs and jumbo cards, sold as 1000 per box.

LUX® Size A1 envelope in garnet color measuring 3 5/8" x 5 1/8" has a square flap with moistenable glue for sticking. Envelope of paper weight 70 lbs is ideal for advertisement purpose and is sold as 50 per pack..A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for party invites/thank you cards/wedding invites/announcements.Comes in Garnet, 80lb. Text Paper.Closure: Moistenable glue.Opening: Square flap.Material: Paper.Finish: Smooth.Seam type: Side.Diminutive envelope is the smallest of its kind allowed through the mail.A1 envelope is a social and invitation-type envelope.Its dimensions make it the most common-sized envelope used for RSVP and announcement purposes.Featuring an attractive square flap, the A1 fits inside all other "A" envelope sizes.LUX® Size A1 envelope in garnet color measuring 3 5/8" x 5 1/8" is best suited for announcements, invitations, greeting cards, photos, notecards and is sold as 50 per pack.

LUX® A1 Envelope in vintage plum color measuring 3 5/8" x 5 1/8" features an elegant square flap with peel and press for sealing. Envelope of paper weight 80 lbs is laser and inkjet compatible, sold as 250 per box..A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for party invites/thank you cards/wedding invites/announcements.Comes in Vintage Plum, 80lb. Text Paper.Size: A1 (3 5/8" x 5 1/8").Closure: Peel & press.Opening: Square flap.Material: Paper.Paper weight: 80 lbs..Collection name: Exclusive.Finish: Smooth.Laser and inkjet printer compatible.For those occasions calling for a dainty announcement envelope.Your ideal choice - this diminutive envelope is the smallest of its kind allowed through the mail.Social and invitation-type envelope.Its dimensions make it the most common-sized envelope used for RSVP and announcement purposes.LUX® A1 Envelope measuring 3 5/8" x 5 1/8" in vintage plum color is perfect for RSVP and occasions calling for a dainty announcements, sold as 250 per box.

LUX® Size A1 envelope in anthracite metallic color measuring 3 5/8" x 5 1/8" features an elegant square flap with moistenable glue for sealing. Envelope of paper weight 80 lbs is laser print compatible and is sold as 50 per pack..A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for party invites/thank you cards/wedding invites/announcements.Comes in Anthracite Metallic, 80lb. Text Paper.Size: A1 (3 5/8" x 5 1/8").Closure: Moistenable glue.Opening: Square flap.Material: Paper.Finish: Smooth.Paper weight: 80 lbs..Seam type: Side.Laser printer compatible.Diminutive envelope is the smallest of its kind allowed through the mail.A1 envelope is a social and invitation-type envelope.Its dimensions make it the most common-sized envelope used for RSVP and announcement purposes.Featuring an attractive square flap, the A1 fits inside all other "A" envelope sizes.Lux® Size A1 envelope in anthracite metallic color is best suited for RSVP as well as occasions calling for a dainty announcements and measures 3 5/8" x 5 1/8", is sold as 50 per pack.

LUX® A1 Envelope in anthracite metallic color measuring 3 5/8" x 5 1/8" features an elegant square flap with moistenable glue for sealing. Envelope of paper weight 80 lbs is laser, sold as 250 per pack..Anthracite metallic.Size: A1 (3 5/8" x 5 1/8").Closure: Moistenable glue.Opening: Square flap.Material: Paper.Paper weight: 80 lbs..Collection name: Metallics.Laser printer compatible.For those occasions calling for a dainty announcement envelope.This diminutive envelope is the smallest of its kind allowed through the mail.Its dimensions make it the most common-sized envelope used for RSVP and announcement purposes.Looks amazingly like the metal or mineral the color is named for.A modern way to convey quality and add personality, with sparkle and shimmer that stands out.A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for party invites/thank you cards/wedding invites/announcements.Comes in Anthracite Metallic, 80lb. Text Paper.Dimensions: 3 5/8"L x 5 1/8"W.Peel & Press Sealing Method.LUX® A1 Envelope in anthracite metallic color measuring 3 5/8" x 5 1/8" is ideal for RSVP and occasions calling for a dainty announcements, sold as 250 per pack.

LUX® A1 Envelope in garnet color has moistenable glue flap on short side helps that hold things from falling out when opened. Envelope of size 3 5/8" x 5 1/8" has a paper weight of 70 lbs and is sold as 500 per box..A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for party invites/thank you cards/wedding invites/announcements.Comes in Garnet, 80lb. Text Paper.Peel & Press Sealing Method.Garnet.Closure: Moistenable glue.Opening: Square flap.Material: Paper.Collection name: Exclusive.For those occasions calling for a dainty announcement envelope.Your ideal choice - this diminutive envelope is the smallest of its kind allowed through the mail.Social and invitation-type envelope.Its dimensions make it the most common-sized envelope used for RSVP and announcement purposes.LUX® A1 Envelope in garnet color measuring 3 5/8" x 5 1/8" is used for sending flat, heavy materials or many small items like coins, catalogs and jumbo cards, sold as 500 per box.

LUX® A1 Envelope in wisteria color measuring 3 5/8" x 5 1/8" features an elegant square flap with peel and press for sealing. Envelope of paper weight 80 lbs is laser and inkjet compatible, sold as 250 per box..Wisteria.Size: A1 (3 5/8" x 5 1/8").Closure: Peel & press.Opening: Square flap.Material: Paper.Paper weight: 80 lbs..Collection name: Exclusive.Finish: Smooth.Laser and inkjet printer compatible.For those occasions calling for a dainty announcement envelope.Your ideal choice - this diminutive envelope is the smallest of its kind allowed through the mail.Social and invitation-type envelope.Its dimensions make it the most common-sized envelope used for RSVP and announcement purposes.A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for party invites/thank you cards/wedding invites/announcements.Comes in Wisteria, 80lb. Text Paper.Dimensions: 3 5/8"L x 5 1/8"W.Peel & Press Sealing Method.LUX® A1 Envelope measuring 3 5/8" x 5 1/8" in wisteria color is perfect for RSVP and occasions calling for a dainty announcements, sold as 250 per box.

LUX® Size A1 envelope in ruby red color measuring 3 5/8" x 5 1/8" has a square flap with moistenable glue for sticking. Envelope of paper weight 70 lbs is ideal for advertisement purpose and is sold as 50 per pack..A1 Invitation Envelopes (3 5/8 x 5 1/8) are perfect for party invites/thank you cards/wedding invites/announcements.Comes in Ruby Red, 80lb. Text Paper.Closure: Moistenable glue.Opening: Square flap.Material: Paper.Finish: Smooth.Seam type: Side.Diminutive envelope is the smallest of its kind allowed through the mail.A1 envelope is a social and invitation-type envelope.Its dimensions make it the most common-sized envelope used for RSVP and announcement purposes.Featuring an attractive square flap, the A1 fits inside all other "A" envelope sizes.LUX® Size A1 envelope in ruby red color measuring 3 5/8" x 5 1/8" is best suited for announcements, invitations, greeting cards, photos, notecards and is sold as 50 per pack.

LUX® A1 Envelope in pool color measuring 3 5/8" x 5 1/8" features an elegant square flap with peel and press for sealing. Envelope of paper weight 80 lbs is laser and inkjet compatible, sold as 250 per box..Size: A1 (3 5/8" x 5 1/8").Closure: Peel & press.Opening: Square flap.Material: Paper.Paper weight: 80 lbs..Collection name: Exclusive.Finish: Smooth.Laser and inkjet printer compatible.For those occasions calling for a dainty announcement envelope.Your ideal choice - this diminutive envelope is the smallest of its kind allowed through the mail.Social and invitation-type envelope.Its dimensions make it the most common-sized envelope used for RSVP and announcement purposes.LUX® A1 Envelope measuring 3 5/8" x 5 1/8" in pool color is perfect for RSVP and occasions calling for a dainty announcements, sold as 250 per box.