EZD(R) rings provide increased capacity compared to same size slant and round rings. DuraHinge(TM) design is stronger, lasts longer and resists tearing. DuraEdge(TM) feature makes the sides and top more pliable to resist splitting. Organize and secure paper with four interior pockets. Pages lie flat with back mounted rings. Exposed rivets on back. Holds 8-1/2" x 11" documents. Label holder on spine to identify contents (select items). 5" binders have locking rings and an easy lift hole on spine. 35% minimum post-consumer content.