plastic binders looseleaf binder custom ring binder PLASTIC BINDERS Translucent plastic Binders Durable, frequent use plastic binder. Matte finish translucent cover reveals title page. Cover material prevents printer and copier toner transfer. Two extra-large (15-sheet capacity) clear vertical pockets are designed for easy access. Round rings with open/close triggers are positioned so pages lie flat against the back cover and rivets don't appear on the spine. Holds 11 x 8-1/2 sheets. Plastic binding is a process where plastic coils or plastic combs are used to bind material. It is an inexpensive and durable method of binding. There are various types of plastic binders available on the market.