Samsill 17295 Clean Touch Round Ring View Binder Antimicrobial 4" Lime Sold as 1 Each. Promotes cleaner schools, offices, homes and hospitals with built-in protection. Agion's all-natural additive is based on silver (not nanosilver); fights against the growth of bacteria, mold, fungus and mildew for the life of the binder. Agion has global registrations including EPA and FDA. Agion's additive is based on silver (not nanosilver--Nature's Antimicrobial.