|Gummed||Gummed envelopes require moisture to seal. Seals tightly and keeps contents secure.|
|Self-Sealing||Self-sealing envelopes require no moisture, simply close flap to seal.|
|Strip Removal||Strip removal envelopes require no moisture, simply pull the strip and seal.|
|Clasp||Clasp envelopes are made with a durable double prong for temporary closure. Reusable clasp with gummed closure for additional security.|
|Button and String||Button and string envelopes are reusable. Some offer gummed closure for additional security.|
|Commercial||Commercial flap envelopes are the most commonly used flap for business envelopes. Great for auto insertion machines.|
|V-Flap||V-flap envelopes have a traditional flap used for basic business envelopes.|
|Square||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||Diagonal-seam envelopes provide extra-strong seams for bulky or heavy items. Generally found on all commercial and V-flap envelopes.|
|Side||Side-seam envelopes allow easy insertion of materials. Generally found on square flap envelopes.|
|Center||Center-seam envelopes provide extra security and strength. Generally found on clasp and catalog envelopes.|
|Single, Left||Standard window envelopes have a single window on the left for mailing addresses. Fits standard formats.|
|Double, Left||Double-window envelopes have two windows on the left to display mailing and return addresses.|
|Single, Right||Right-window envelopes have one window on the right. For use with insurance forms or other special forms.|
|Business Envelopes||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.
|Large Envelopes||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.
|Specialty Envelopes||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||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®||Tyvek® envelopes are made from durable material that provides extra protection from punctures, tears and moisture.|
|Padded Envelopes||Padded envelopes contain bubble padding or paper padding that protects important documents from damage during shipment.|
|Kraft (Brown, White, Gray)||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||Manila envelopes provide more durability. Available in 32 lb. Used for catalog envelopes.|
|Eco Friendly||Eco-friendly envelopes are made with 100% recycled/100% post-consumer material. Available in 26 lb.|
Generally used for catalog and clasp envelopes.
|Plain||Plain envelopes have no inside printing, commonly used to send letters, invoices, etc.|
|Security||Security-tint envelopes have inside printing with pattern design. Provides extra security and confidentiality.|
|Watershed||Watershed envelopes are made from uniquely formulated paper that resists moisture. Water-resistant material can be written on with pen, pencil and marker.|
|Recycled||Recycled envelopes are made from paper that contains recovered fiber, which may be preconsumer and/or post-consumer|