This Comfort Seats Royal extra wide white elongated toilet seat is wider than a standard toilet. It is 16 inches wide for added comfort. It is strong and durable, injected with molded high-impact, chemicaly resistant polypropylene. It is comfortable, ergonomically designed ring and has an extra thick, contoured ring which provides greater support. It has durable, rust-free installation hardware with molded-in bumpers for added safety and comfort. The rubber hinge pads keep the seat secure and stable. The chrome hinges are durable and have aesthetic appeal. The non-corrosive hardware mounts with a wrench.