Buy It from Bulk Office Supply
Self-Sealing, Open-End Expansion Mailers provide security and durability for bulky mailings. Features expansion gusset for extra-thick mailings. Convenient Redi-Strip closure requires no moisture to seal. Great for computer reports, catalogs, binders and more. 100 percent recycled. Large opening allows for easy document insertion. Self-sealing, Flap-stik closure.