Samsill .5 Inch Value Document Storage 3 Ring Binder, Round Ring, 11 x 8.5 Inches, Black (11100) Traditional storage binders covered with premium vinyl in a wide variety of colors sure to match that special color you are looking for Ring binder has half inch round rings with 100-125 sheet capacity depending on paper thickness Binders chipboard is made from 100% recycled / reclaimed papers and at least 60% post-consumer waste Special ribbed seal adds strength at the hinge for extra durability to tackle those special school, work, and home projects Rust resistant ring metals come with double booster for easy opening and closure Two clear inside pockets provide extra storage for loose documents