Treated material helps prevent the growth of bacteria and fungus on the binder surface to protect the product. Locking Slant-D rings with GelTab Triggers hold 25% more paper than standard round rings. Horizontal pockets on inside front and back covers for additional storage. Clear overlay allows for customization on all three sides. PVC-free, nonstick. Binder Type: Ring; Binder Style: View; Binder Size Capacity: 1in; Binder Sheet Capacity: 270.