Blue Summit 12.75” x 15” Self-Seal Rigid Document Mailers Stay, 25 Pack of Flat White Cardboard Envelopes, “Do Not Bend”, 25 Mailing Envelopes for Businesses BSS-92588-009 or just write directly on

or just write directly on the envelopes using any writing utensil

These textbook covers are made from durable polyester can be used repeatedly

Great value with a pack of 100 envelopes

Made from heavy-duty PP plastic

Blue Summit 12.75” x 15” Self-Seal Rigid Document Mailers Stay, 25 Pack of Flat White Cardboard Envelopes, “Do Not Bend”, 25 Mailing Envelopes for Businesses BSS-92588-009 or just write directly on25 pack of 12 3 4 x 15 inch Fiberboard Rigid Mailers with "DO NOT BEND" printed on the envelope. Strong adhesive on the peel and seal flap eliminates the need for extra glue or water. Features a tear strip design for easy opening. Made of 450gsm fiberboard helps prevent mailing contents from bending. Ideal for photos, art, certificates, magazines, blueprints, CDs, and more. Perfect for mailing documents, photos, and other soft goods. Ideal for post