This Floor Drain Core is made of plastic and silicone, with anti-odor and insect prevention features. Its gravity closure automatically opens when draining and undrained automatic closing. The middle water outlet can be installed between 36-47mm. With quick drainage and not easy to block, it is suitable for kitchen balcony wash basin sink drain. Easy to install and weigh only 15g. Features 1. Features: Anti-smell,Insect prevention, suitable for kitchen balcony wash basin wash basin sink drain. 2. Gravity Closure: Automatically open when draining, undrained automatic closing. 3. Material: The Floor Water Pipe Drain Cover is made of plastic and silicone. Easy to install, plug and play. 4. The inner diameter of the middle water outlet of the floor drain can be installed between 36-47 mm. 5. Quick Drainage: The large displacement of the bathroom core drains quickly, and the water is discharged from the left and right ports. The drainage speed is fast and it is not easy to block. Specification Material: PP Color: White Size: 5 x 4 cm Weight: 15 g Package Include: 1 Water Pipe Plug