Rectangular Envelopes
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Envelope Size
Envelope Type
Envelope Closure
Envelope Number
Envelope Material
Item # : 763173
Model # : ST16985-CC
Protect and store pictures with these Staples white photo envelopes.
- Simple high-quality invitation envelopes keeps your documents flat in the mail
- Envelope size: 6 1/2"W x 4 3/4"H
Price is $16.49
Unit of measure 50/Box
1-hr pickup
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Item # : 266866
Model # : ST19726-CC
Secure small objects safely away with this 250-pack of Staples 2.25 x 3.5-inch #1 brown kraft gummed-closure coin envelopes.
- Currency envelope keeps your small items from getting lost or damaged
- Envelope size: 3.5"H x 2.25"W
Price is $8.99, Regular price was $10.29, You save 12%
Unit of measure 250/Box Price per unit $0.04/Envelope
1-hr pickup
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Item # : 2622390
Model # : QUAR1582
Lightweight, moisture- and rip-resistant DuPont™ Tyvek® envelope that helps to reduce shipping costs. Clean, crisp look conveys a professional image. Flap-Stik® peel-and-press flap seals securely. Air Mail™ bordered format.
- Product Type Refinement: Paper Expansion
- Manufacturer: Quality Park Products
Price is $76.89
Unit of measure 50/Box
1-hr pickup
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Item # : 2623443
Model # : QUA69222
Quality Park envelopes are the obvious choice for your business!
- Premium 24 lb. stock, white wove paper is ideal for everyday business use
- Bright white stock creates a professional touch to your personal and business mailing
Price is $116.29
Unit of measure 500/Box
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Medical Arts Press Self Seal Security Tinted #4 Double Window Envelope, White, 500/Box (32373) is Clearance
10% off of Medical Arts Press Self Seal Security Tinted #4 Double Window Envelope, White, 500/Box (32373)
Item # : 541947
Model # : 32373
- Self-seal envelope with with clear filmview windows
- Patient's name and address show through bottom window, your return address shows through top
Price is $26.47, Regular price was $29.42, You save 10%
Unit of measure 500/Box
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This item will be discontinued soon. A suggested replacement is available.
See what our experts suggest
Item # : 742810
Model # : 1500LR
ComplyRight CMS-1500 Jumbo Right Window Envelopes prevent processing delays by allowing the sender to mail the forms without folding them.
- Envelope holds up to 50 CMS-1500 unfolded claim forms.
- Helps reduce processing delays.
Price is $40.39
Unit of measure 100/Pack
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Item # : 261356
Model # : 155626
JAM Paper® A6 Size light baby blue paper invitation envelope in a pack of 25 has dimension of 4 3/4" x 6 1/2" and is perfect for greeting cards, invitations or other announcements.
- Light baby blue
- Size: A6 (4 3/4" x 6 1/2")
Price is $12.39
Unit of measure 25/Pack
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Great Papers Summer Meadow #10 Invitation Envelope 4 1/8" x 9 1/2", Multicolored, 25/Pack (2025002) is New at Staples
Item # : 24632071
Model # : 2025002
- Pack of 25 Envelopes: Each pack includes 25 high-quality envelopes, perfect for all your mailing needs.
- Elegant Design: Features a beautiful design that adds a touch of elegance to your correspondence.
Price is $7.79
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Item # : 507760
Model # : QUA21438
Mail medical forms and documents with these Quality Park Redi-Seal white self-sealing insurance HFCA-1500 security tinted window envelopes.
- Envelopes are great for mailing letters and documents
- Made from 24 lbs. white paper for durability
Price is $131.99
Unit of measure 500/Box
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Item # : 261380
Model # : 155625
JAM Paper® A6 Size light baby pink paper invitation envelope in a pack of 25 has dimension of 4 3/4" x 6 1/2" and is perfect for greeting cards, invitations or other announcements.
- Light baby pink
- Size: A6 (4 3/4" x 6 1/2")
Price is $13.89
Unit of measure 25/Pack
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Item # : 24261153
Model # : 6025-01-50
LUX 6 x 9 Booklet Envelopes in Natural are perfect for mailing Checks, Invoices, Letterhead, Personal Letters, Statements, Direct Mail and more!
- Dimensions: 6"L x 9"W
- Comes in Natural
Price is $16.99
Unit of measure 50/Pack
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Item # : 24260704
Model # : 11700-50
LUX 5 1/2 x 7 1/2 Booklet Envelopes in 24lb. Bright White are perfect for mailing Checks, Invoices, Letterhead, Personal Letters, Statements, Direct Mail and more!
- Dimensions: 5.5"L x 7.5"W
- Comes in 24lb. Bright White
Price is $16.89
Unit of measure 50/Pack
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Item # : 261365
Model # : 2155778
JAM Paper® Size #10 light baby blue paper invitation envelope in a pack of 25 has dimension of 4 1/8" x 9 1/2" and is perfect for greeting cards, invitations or other announcements.
- Size: #10 (4 1/8" x 9 1/2")
- Closure: Gum
Price is $18.99
Unit of measure 25/Pack
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Item # : 1949161
Model # : 1500RS
ComplyRight CMS-1500 Jumbo Right Window Envelopes prevent processing delays by allowing the sender to mail the forms without folding them.
- Envelope holds up to 50 CMS-1500 unfolded claim forms.
- Helps reduce processing delays.
Price is $41.49
Unit of measure 100/Pack
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Item # : 261366
Model # : 3961300
JAM Paper® Size 10 Open end policy paper envelope in a carton of 25 is perfect for greeting cards, invitations, weddings or any announcement and is light baby blue in color.
- Light baby blue
- Size: #10 (4 1/8" x 9 1/2")
Price is $14.49
Unit of measure 25/Pack
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Mail your communications in style with a wide range of rectangular envelopes. Whether you're running a home or a business, you'll need mailing supplies. Mail bills, invoices, checks, invitations, documents, and greeting cards using envelopes in a wide variety of sizes, shapes, and colors.
Traditional Business Envelopes
Mail client invoices, checks, and documents with traditional business envelopes. Choose single or double windows and use computer software to print customized checks and invoices that fit those windows. Avoid hand addressing envelopes and save hours of time, or include a blank window envelope with your invoices and make it easier for clients to return payment. Business envelopes come with self-sealing closures or gummed closures. Say goodbye to basic and choose a color that coordinates with your brand. Safety features like a tinted liner make sure your private documents stay that way until they reach the intended recipient.
Formal Stationery
Save money on wedding plans by making your own invitations, and use rectangular envelopes to mail them. Choose a paper color that coordinates with the invitation itself, and opt for traditional invitation sizes, such as 4 3/4 x 11 or 6 x 12. Add a touch of flair with foil-lined envelopes that match the metallic font on your invitations. Stationery envelopes aren't just for weddings: use them to mail company holiday cards, graduation invitations, or notifications of company award events.
Booklet and Document Size
Mail pamphlets, catalogs, closing documents, and other large materials with rectangular mailing envelopes. Pick from traditional brown paper construction or lined vellum that keeps the contents safe until they reach the desired recipient. Many mailing envelopes include a top closure, and some are self-sealing with detachable tops. Whatever your purpose and style, there's a rectangular mailing envelope that works for you.
Traditional Business Envelopes
Mail client invoices, checks, and documents with traditional business envelopes. Choose single or double windows and use computer software to print customized checks and invoices that fit those windows. Avoid hand addressing envelopes and save hours of time, or include a blank window envelope with your invoices and make it easier for clients to return payment. Business envelopes come with self-sealing closures or gummed closures. Say goodbye to basic and choose a color that coordinates with your brand. Safety features like a tinted liner make sure your private documents stay that way until they reach the intended recipient.
Formal Stationery
Save money on wedding plans by making your own invitations, and use rectangular envelopes to mail them. Choose a paper color that coordinates with the invitation itself, and opt for traditional invitation sizes, such as 4 3/4 x 11 or 6 x 12. Add a touch of flair with foil-lined envelopes that match the metallic font on your invitations. Stationery envelopes aren't just for weddings: use them to mail company holiday cards, graduation invitations, or notifications of company award events.
Booklet and Document Size
Mail pamphlets, catalogs, closing documents, and other large materials with rectangular mailing envelopes. Pick from traditional brown paper construction or lined vellum that keeps the contents safe until they reach the desired recipient. Many mailing envelopes include a top closure, and some are self-sealing with detachable tops. Whatever your purpose and style, there's a rectangular mailing envelope that works for you.