Feature: The kitchen drain plug has been upgraded with seven layers of anti-odor and anti-overflow functions. The drain pipe and the sealing ring fit tightly without leaving any gaps. Drain hose plugs are plug-and-play and suitable for most plumbing installations. Sewer sealing ring: environmentally friendly silicone, soft, elastic, durable, aging-resistant, waterproof, leak-proof and odor-proof. The bathroom pipe plug has a variable diameter design, which can connect to the outer diameter of 18-35MM drain pipes and is suitable for the inner diameter of sewer pipes 30-40 and 40-45. Automatic rebound design, 90 opening and closing, the silicone sealing plug automatically opens when draining, and automatically rebounds when not draining. Suitable for connecting drain pipes and sewers such as washing machines, vegetable sinks, and wash basins. Installed at the connection between the bathroom and the pipes to prevent odors from spreading, and use seals to prevent cockroaches and bugs to prevent odors, bacteria and viruses. Specifications: Material: Silicone Size: 35-40mm: 78*53mm 45-50mm: 73*64mm 60-65mm: 55.3*65mm Feature 1: Waterproof Feature 2: anti-odor Feature 3: Pipe Sealing Ring Feature 4: Floor Drain Feature 5: Water Pipe Plug Feature 6: kitchen drain/Bathroom Accessories Feature 7: Sewer Pipe Sealing Ring Feature 8: Water Pipe Plug Feature 9: Kitchen Sink Plug Feature 10: Sewer Seal Stopper Feature 11: Shower Drainer Package Includes: 1 x Odor-proof Floor Drain Core Note: Floor Deodorant Core only, other accessories demo in the picture is not included! Please allow 1-3mm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!