High quality: zinc alloy hinge, rustproof, antibacterial, zinc alloy hinge, silver surface, used for MDF toilet seat, wooden toilet seat, resin toilet seat.< /p> Corrosion resistance: The small screws are made of corrosion-resistant stainless steel, which is very suitable for humid or poorly ventilated environments. Washers and Nuts: Washers and Nuts: Rubber, Rubber Washers provide large and durable rubber mounting nuts with limited space. Easy to install: The kit comes with all the fittings and should be easy to install, all you need is a screwdriver. The zinc alloy toilet seat can be used for a long time, is non-oxidized, non-corrosive and easy to clean. Zinc alloy, rustproof, antibacterial, electroplated surface is not easy to fall off. Suitable for bathrooms, hotels, public places, etc.