Universal Convenience – One size toilet seat designed to fit both round and elongated toilets, eliminating the guesswork of which size you need and simplifying the shopping process Slow-Close Seat & Stay·Tite Hinges – Quietly closes to prevent loud slams and pinched fingers, while innovative Stay·Tite hinges keep the seat secure without shifting or loosening over time Easy Installation in Minutes – Install this seat yourself in just a few minutes with easy-to-follow instructions; adjustable hinges let you align the seat on nearly any toilet for a hassle-free replacement Durable & Comfortable – Built to last with quality materials you can rely on, the smooth plastic surface is easy to clean and proudly made in the USA Pro Tip for a Perfect Fit – While this seat is universal, if you prefer a precise fit - a quick measurement will guide you to choose either the elongated or round seat options