Premium document mailers measure 9.25 x 11.75 inches, 25 packs per set. Made of high quality rigid cardboard to protect art prints, photos, CDs, books, certificates and documents from bending or damage during transit. Features strong peel and seal adhesive closure for quick sealing without moisture, plus easy-open strip design. Upgraded adhesive ensures secure seal preventing contents from falling out. Semi-glossy surface allows handwriting or label application. Clean brown finish provides professional appearance. Weight: 2.97 pounds.