Avery Flexi-View 3 Ring Binders - 1/2" Binder Capacity - Letter - 8 1/2" x 11" Sheet Size - 100 Sheet Capacity - 3 x 0.50" Ring - Fastener: Round Ring - Pocket: 0 - Polypropylene - Blue - Flexible, PVC-free, Non-stick, Durable, Ink-transfer Resistant