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.