About this item High Quality: Zinc Alloy Antibacterial Antibacterial Zinc Alloy Hinges Silver Finish for MDF Toilet Seat Wooden Toilet Seat Toilet Seat made of resin. Corrosion resistance: the small screws are made of corrosion-resistant stainless steel, ideal for humid or low air circulation environments. Washers and Nuts: Washers and Nuts: Rubber, Rubber washers make for a large, durable rubber mounting nut with limited space. Easy Installation: This set comes with all hardware and should be easy to install, all you need is a screwdriver. The zinc alloy toilet lid can be used for a long time, no oxidation, corrosion, easy to clean. Zinc alloy electroplated surface, rustproof, antibacterial, not easy to fall off. the salfalizing sun bathroom, hotel, public places, etc. Product Description Features: Item Type: Toilet Seat Fixings Material: plastic and zinc alloy This mounting hinge is 3cm high and 4cm in diameter Screw length: 1.5 cm White plastic cap: 3 cm , 4 cm Replacement hinges: