Treated Clearvue Locking Slant-D Ring Binder, 3 Rings, 4" Capacity, 11 X 8.5, White Treated material helps prevent the growth of bacteria and fungus on the binder surface to protect the product. Clear overlay allows for customization on all three sides. Locking rings with comfortable GelTab™ triggers. Horizontal pockets on inside front and back covers for additional storage. PVC-free, non-stick.