High quality: Zinc alloy hinge, anti-rust, anti-bacterial, silver surface, suitable for MDF toilet seat, wooden toilet seat, resin toilet seat. Washers and nuts: Washers and nuts: The rubber washers and mounting nuts are made of durable rubber and take up very little space. Easy to install: The kit comes with all mounting hardware and is easy to assemble, you only need a screwdriver. The zinc alloy toilet seat can be used for a long time, does not oxidize, does not corrode, and is easy to clean. The anti-rust and anti-bacterial zinc alloy electroplated surface is not easy to wear. Ideal for use in bathrooms, hotels, public places, etc. We have the best customer service, no matter what problem you encounter, we will always be with you until everything is solved! Protect all the rights and interests of customers! If you encounter any problems when receiving the goods, we hope you will not rush to leave a comment and contact us first. This is the greatest help to us. Thank you for your