The Stream33 Elongated Plastic Closed Front Toilet Seat is made from strong polypropylene plastic with UV protection to prevent fading. It includes built-in bumpers for steadiness, a matching adjustable hinge, and rust-resistant nuts and bolts, making it easy to fit and long-lasting. The top mount design simplifies installation, making it ideal for various bathroom styles. This toilet seat comes with a 2-year warranty, offering a dependable option for bathroom installations.