【Material】: The sink stopper is made of silicone, non-toxic and tasteless, soft and easy to maintain. Safe and environmentally friendly, effectively reduce your water waste. 【Perfect Size of Sink Stopper】: Height 45 mm, bottom diameter 30 mm, use it to close the sink and not let water flow out. Antifouling, recyclable, easy to clean. 【Design】: Our bathtub stopper is designed to bring convenience to your life. Its unique spiral design can seal the tank well, clog the sink. 【Easy to Use】: You will receive 2 black bathtub stoppers, 1 gray stopper. Stopper without complicated installation, no tools are needed as long as you turn it clockwise to insert it into the drain hole. 【Wide Range of Applications】: The smooth universal drain stopper can be used for most types of drains, including shower, bathtub, drain, bath and kitchen sink.