CLine Sheet Protector Letter 850 x 11 Polypropylene 25 Box Clear NoHole Sheet Protectors offer the durability of traditional heavyweight sheet protectors, but without the threehole punched binding strip Use by themselves, to post signs, protect frequently used materials, or subdivide files and folders Acidfree, archivalquality polypropylene means no photocopy transfer Sheet protectors are designed to hold lettersize documents