The Commercial Heavy-Duty Open-Front Elongated Toilet Seat from American Standard offers the durability that is essential in busy, high-traffic bathrooms. Made from solid polypropylene, this commercial toilet seat, without cover lid, is engineered with quality stainless steel check hinges to prevent contact pressure on tank or flushometer. Contoured for comfort with large molded-in bumpers to eliminate shifting, it fits most conventional elongated commercial toilets. Fits most elongated toilets.