High Quality: Zinc Alloy Hinge, Rustproof, Antibacterial, Zinc Alloy Hinge, Silver Finish, For MDF Toilet Seat, Wooden Toilet Seat, Resin Toilet Seat. Corrosion Resistant: The small screws are made of corrosion-resistant stainless steel, making them ideal for humid or poorly ventilated environments. Washers & Nuts: Washers & Nuts: Rubber, Rubber washers provide large, durable rubber mounting nuts with limited space. Easy to install: the kit includes all accessories and should be easy to install, all you need is a screwdriver. The zinc alloy toilet seat can be used for a long time, no oxidation, no corrosion, easy to clean. Zinc alloy, anti-rust, anti-bacterial, the plated surface is not easy to fall off. Suitable for halls bathrooms, hotels, public places, etc.