High Quality: Zinc Alloy Hinges Anti-rust Antibacterial,Zinc Alloy Hinge Silver Plated Surface for MDF Toilet Seat, Wooden Toilet Seat, Resin Toilet Seat. < p>Corrosion Resistance: the small screws are made of corrosion-resistant stainless steel and are ideal for humid environments or environments with low airflow. Washers and Nuts: Washers and Nuts: Rubber. The rubber washers form a large and durable rubber mounting nut with limited space.< /p> 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 without oxidation. Corrosion, easy to clean. Zinc alloy, anti-rust, antibacterial, electroplated surface is not easy to fall off. Perfect for using in bathrooms, hotels, public places, etc. The toilet seat fixings are made of high quality zinc alloy with polished surface, rust and corrosion resistant, sturdy last. Comes with a full set of mounting accessories for direct