CLine Products Traditional Polypropylene Sheet Protector, Heavyweight, 11 x 8 12, 50BX 2 Sheet Capacity Letter 850 x 11 Rectangular 3 x Holes Polypropylene 50 Box Clear, Black Clear poly sheet protectors will not crack or tear, keeping your documents looking their best in threering binders Archivalquality protection means no photocopy transfer Folded sheet protector is open on three sides and threehole punched for use in standard binders Protector includes black mounting paper to provide a professional look