Premium plush material: Feel softer when you sit on it. Back PU materia,waterproof and durable. Suitable for all season, especially in winter(Warmer) Easy to Clean: Our toilet seats can be cleaned and can be washed by hand. Can be dried and reused. more sanitary. Easy to install: Only need three steps to complete nstallation. The toilet seat cushion themselves are flexible, Fits most toilet seats . We are committed to provide the qualitied toilet seat covers. which is suitable for most toilet seats.The length of the toilet seat should be less than or equal to 17 inches! Otherwise, it will not match.