Samsill Clean Touch Antimicrobial Locking Round Ring Binder, 11 x 8-1/2, Black: * Promotes cleaner schools, offices, homes, and hospitals with built in protection * Agion"s all natural additive fights against the growth of bacteria, mold, fungus and mildew for the life of the binder * Nature"s Antimicrobial - Agion"s additive is based on silver (not nanosilver) * Organize your binders with fast-reference label holders * Extra storage for loose documents with two clear inside pockets * Ring mounted on back lid to reduce wear on paper