Omnimed molded 2.5″ inch ring binders are made of hospital grade tri-polymer material that is strong, flexible and easy to clean. Equipped with our patented twin-hinge system, sheets are easily added and secured in the binder. They are warranted to last and can withstand the hardest use without ripping or ring failure. These binders have a heavy duty 3 – ring system and come in a variety of fade-resistant colors to compliment your office or home needs. Each binder can accommodate up to 500 plus sheets.