?? ? Round Toilet Seat Size - toilet seat is suitable for most standard round toilet seats (Length 41.8cm 42.8cm, Width 36.3cm, Height 5.8cm) Please measure your toilet bowl (see diagram at left) to determine the size you need before ordering. We will gladly help if you're not sure if your toilet is elongated or round ? Durable & Eco-friendly - Made of a tough & earth-friendly polypropylene plastic (not wood) in white that matches most bathroom styles and doesn't fade, flaking or crack over time; The toilet seat is tested for 400 lbs to provide durability, functionality and most of all great comfort ? Ergonomic Toilet Seat -The contour of the round seat fits the natural curve of the human body and increases comfort during extended use; After 100,000 slow-close tests, soft close technology of round toilet seat prevents accidental slamming or pinching fingers, providing a quiet environment for your family ? Easy to Install & Maintain Come with two sizes of stainless steel washers, you can easily adjust the installation position to better fit your toilet; round toilet seat provides quick-attach hardware for fast and secure installation ? What Will You Get - 1x Round Toilet seat; 2x Metal screw bolt; 2x Plastic nut; 4x Stainless steel washer, 2x Rubber non-slip washer; 1x User manual; We promise that you can enjoy our worry-free lifetime warranty and friendly customer service