Value Round Ring Storage Binders. Premium quality vinyl tightly sealed over chipboard. Special ribbed seal adds flexible strength at the hinge. Clear pockets inside front and back provide convenient storage for loose materials. Rust resistant ring metals with double boosters. Details:Assorted colors1" CapacityBundle of 12 BindersSpecial ribbed seal adds flexible strength at the hinge Includes inside pockets for storing loose documents Ideal for the classroom, office or home50% recycled content; 43% post-consumer contentMade in the USA