Wilson Jones 4 Inch 3 Ring Binder, Heavy Duty D-Ring View Binder, Extra Durable Hinge, Black (W385-54BA) Customizable cover and spine simplify binder labeling and personalization 4 inch D-ring binder holds 700 sheets Features our strongest binder covers for years of reliable use; Custom formulated, PVC Free polypro material lasts up to 10x longer than vinyl Never-gap rings close tightly to keep papers secure Two interior pockets provide additional storage