U-Eco Poly Two-Pocket Folders, Three-Hole Punched, Poly/Wheat Straw, 11 x 8.5, Assorted,12/Pack Acid-free and PVC-free. Constructed from plant-based materials, the poly/wheat straw two-pocket folder holds standard 8.5 x 11 letter-sized paper. Three-hole punched two pocket folders with six bright colors help you stay organized in style. By minimizing the amount of plastic used we are reducing plastic waste and making use of renewable materials that would normally go to waste.