[High quality material] The toilet seat accessories are made of stainless steel and plastic.Excellent strength, the toilet seat can be fixed on the top of the toilet. General: The toilet lid holder is universal and very suitable for repairing toilet seats with automatic lowering system,soft close function and quick release function. Easy to install: Toilet seat replacement parts are easy to assemble.After going to the toilet, the glasses are securely installed and do not move. Size: a pair of replacement toilet seats, 47mm screws, 40mm rubber base, hinges30 x 45mm replacement toilet lid, 45mm stainless steel lid and 45mm non-slip rubber. Note: Before purchasing, please disassemble the old toilet lid holder and comparethe size with the new ceiling support.To ensure proper operation, your old toilet lid hinges should have the same or at least similar values. Good quality product