Perfect Fit Dimensions: This elongated toilet seat is designed to fit most standard elongated toilets, measuring 18.5 x 14.2 inches. Its oval toilet seat design ensures compatibility with oblong-shaped fixtures. Please measure your toilet before purchase for the perfect fit. Quiet and Gentle Closing: The slow close, soft close, and quiet close features allow the lid to lower silently and gently, preventing slamming noises and ensuring a peaceful environment, even at night. Heavy-Duty Durability: Made from premium materials, this oblong toilet seat is built for long-term use. Its heavy-duty design resists scratches, offers superior durability, and is much sturdier than standard plastic seats.