1 Soft Silicone Material: This Washing Machine Drain Hose Seal is made of high-quality nano-silicone with great elasticity, softness, durability, wear resistance, aging resistance, and can be used for a long time Seven Layer Sealing Ring Design: The Silicone Drain Pipe Sealer Drainer upgraded 7-layer leak-proof ring with automatic valve can provide excellent odor control or liquid leakage, effectively prevent sewage odor and water leakage, and the automatic valve opens automatically when draining, which is convenient and practical Product Size: This drain sealer is designed with 3 sizes for you to choose from, suitable for most drain pipes, providing universal compatibility and multi-functional practicality, perfect for different models and brands of washing machines and their other pipes, please confirm the size before purchasing Wide range of uses: The multifunctional drain hose seal can seamlessly adapt to washing machine drains, sink drains, mop pool drains and other drainage pipes, as well as kitchen wash basins, bathroom sinks Easy to use: The silicone drain cover is very easy to install, it only takes seconds to quickly set up, no need any other tools, just connect it to the drain, quick and practical