Wilson Jones Ultra Duty Round Ring View Binder with Extra Durable Hinge, 1.5 Inch, Customizable, White (W87905PP2) Customizable cover and spine simplify binder titling and personalization Single-touch trigger opens all 3 rings with just one finger; 1.5 inch round rings hold 350 sheets Features our strongest binder covers and extra durable hinge for years of reliable use Custom formulated, PVC Free polypro material lasts up to 10X longer than vinyl Four interior pockets provide additional storage