Packing includes: you will receive 12 pieces of black toilet rubber fixtures from the package, sufficient to meet your different use and replacement needs. Material: Made of rubber material, which is not easy to deform and it can for long time use. Product Size: approx. 27x7mm, and the hole measures: approx. 8 mm, please check the size message carefully before you place the order. Functions: these toilet repairing fitting washers can be well applied for fix and tighten your wobbly toilet seat, and will not to break your toilet, which will provide you with good use experience. Easy to install: these cone toilet seat fittings are easy for you to install, and you don't need any other tools; You can tighten these toilet seat fittings only use your hands, saving you a lot of time and energy., Manufacturer: OTOTEC