C-Line Side Loading Poly Binder Pockets with 1" Gusset, Clear, 10 Packs of 5 Pockets, 50 Total (57537-10) Store non hole-punched papers in your binder with one convenient pocket Gusset expands 1 inch for additional capacity of up to 200 sheets Side loading pocket is secured with a hook and loop closure Made from durable acid-free, archival quality polypropylene For 11 x 8 1/2 document storage