Toilet Seat Fastener: 2 pieces toilet lid fastener with elastic screws, nuts, washers for easy daily use. You only need to install the toilet cover top fastener and toilet seat hinge once to last for several years. High Quality Material: The toilet lid hinges are made of rubber and stainless steel, the rubber is more resistant to dirt, wear and not easy to break. The metal screws are not easy to rust under the protection of the rubber and are durable for long-term use. Perfect Fit: The rubber disc of the screw has a threaded section that can expand and tighten by itself when it is pushed into the toilet hole. You only need to install the toilet lid and the top of the toilet seat hinge once and never worry about the toilet, it will last for years! Easy Installation: The toilet seat fixing hinge is easy to install and can be firmly fixed in a few minutes. You can use it to repair a broken toilet lid, both economical and practical. Multipurpose: Designed to fix the toilet lid, convenient and time-saving, suitable for most standard toilet seats and top fixed hinges, strong, reliable and durable.