Elongated Toilet Seat Slow Close, Quiet Toilet Seat Cover with Never Loosen Durable Toilet Seat Lid Easy to Install & Clean, Polypropylene (PP), WhiteElongated Toilet Seat Size This elongated toilet seat is designed to fit most standard elongated toilet, with a length of 18. 5 inche. Make sure to measure your toilet before ordering to ensure a proper fit. Slow Close Slow close feature prevent noise when you close the toilet seat. Reduces risk of injuries from accidentally slamming toilet seat. Durable Thick Material Built with Polypropylene plastic can effectively resist dirt extends the service