Heavy duty recycled paperboard core covered with PVC-free polypropylene, a heavy duty 3-ring mechanism and inside pockets with a die cut for a business card. Binders contain low VOC emitting material per CA Section 01350* plus low TVOC. Capacity Range [Max]: 1/2"; Sheet Capacity: 100; Color(s): White; Binder Sheet Size: 8 1/2 x 11.