Made of high quality material, safe, non-toxic, non-toxic, no harm to your pets.no harm to your pets. Cat toilet training seat help effectively train your cats to use the toilet. This toilet training system is designed for cats, four steps to help cats learn to go to the toilet by themselves. Groove design is conducive to the trays remove, convenient to use. Large load bearing properties, safe for even fat cats. works with cats of all ages, sizes and breeds. Fits all sizes and shapes of toilets and fits all toilets seats including round and elongated.