Heavy Duty 3 Ring Loose Leaf Binder, Black Vinyl, 1.5&rdquo; Capacity, Round Ring w/ Booster - 3 Pack Heavy-duty binder for long-lasting and frequent use Convenient & affordable 3-pack for small office and consumers 1.5 inch capacity holds about 300 sheets loose notebook paper. Clear overlay for 9.75 x 11.00 outside cover inserts. Clear overlay for 9.75 x 11.00 outside cover inserts. Booster assisted opening of strong metallic rings. Single sheet pocket on inside covers. Fits US standard 8.50" x 11.00" sheets. Made in the USA!