Gummed envelopes require moisture to seal. Seals tightly and keeps contents secure.

Self-sealing envelopes require no moisture, simply close flap to seal.

Strip removal envelopes require no moisture, simply pull the strip and seal.

Clasp envelopes are made with a durable double prong for temporary closure. Reusable clasp with gummed closure for additional security.

Button and string envelopes are reusable. Some offer gummed closure for additional security.

Commercial flap envelopes are the most commonly used flap for business envelopes. Great for auto insertion machines.

V-flap envelopes have a traditional flap used for basic business envelopes.

Square flap envelopes are traditionally used for envelopes with self-sealing or pull and seal closure. All catalog and clasp envelopes have a square flap.

Diagonal-seam envelopes provide extra-strong seams for bulky or heavy items. Generally found on all commercial and V-flap envelopes.

Side-seam envelopes allow easy insertion of materials. Generally found on square flap envelopes.

Center-seam envelopes provide extra security and strength. Generally found on clasp and catalog envelopes.

Standard window envelopes have a single window on the left for mailing addresses. Fits standard formats.

Double-window envelopes have two windows on the left to display mailing and return addresses.

Right-window envelopes have one window on the right. For use with insurance forms or other special forms.

Most common sizes: #9, #10, #6 3/4, #8 5/8, Coin Size. #10 envelope accommodates an 8 1/2" x 11" sheet folded in thirds.

Most common sizes: 6" x 9", 9" x 12", 10" x 13". 9" x 12" envelope is perfect for 8 1/2" x 11" letterhead.

Most common sizes: A9, 4 7/8" x 5" and interoffice envelopes. A9 envelope is most commonly used for invitations or greeting cards.

White wove envelopes are made of smooth, bright white stock. Available in 20 lb., 24 lb. and 28 lb. Generally used for commercial and catalog envelopes.

Tyvek® envelopes are made from durable material that provides extra protection from punctures, tears and moisture.

Padded envelopes contain bubble padding or paper padding that protects important documents from damage during shipment.

Kraft envelopes are made with heavyweight material that protects against rugged handling. Available in 24 lb. and 28 lb. Typically used for catalog and clasp envelopes.

Manila envelopes provide more durability. Available in 32 lb. Used for catalog envelopes.

Eco-friendly envelopes are made with 100% recycled/100% post-consumer material. Available in 26 lb. Generally used for catalog and clasp envelopes.

Plain envelopes have no inside printing, commonly used to send letters, invoices, etc.

Security-tint envelopes have inside printing with pattern design. Provides extra security and confidentiality.

Watershed envelopes are made from uniquely formulated paper that resists moisture. Water-resistant material can be written on with pen, pencil and marker.

Recycled envelopes are made from paper that contains recovered fiber, which may be preconsumer and/or post-consumer