3 Pieces Included: Its diameter is 6 inches, which fits most common drain hoses. It is large enough on universal drain. Silicone material the bathtub stopper is made of silicone, non-toxic and odorless, soft and flexible, it can easily adsorb on bathtub surfaces, never float. Easy to use: Place the drain plug flat, the plug will automatically vacuum the sink if not in use, the bathtub drain plug is easy to remove, easy to clean, and can be disinfected with boiling water Andcan be rolled up for storage, ideal for travel. Good Sealing: The silicone drain stopper has a wide and bendable suction cup shape, can seal considerably without leaking, which can effectively reduce water waste, as well as a good drain bad smell. Wide Use: This versatile stopper can be widely used in kitchen, bathroom, sink, laundry, which can effectively reduce waste. There are black or grey or blue colors, can meet your different demands.