Made of quality 23 gauge polyurethane, our poly binders are an economical and durable choice for your bindery needs. Poly binders are lightweight and made to last. Each binder has 3, 1″ round rings and will accommodate a 1/2″ tab. Rivets on spine are exposed. 8.5″x5.5″ sheet size. Includes 1 color imprint. Set-up included in price.