Plug and play, no need to remove tiles or drill holes. Suitable for drains with hole diameters between 3.7cm and 5.2cm. < p>360 degree drain valve, large flow and fast discharge. Essential utility to protect kitchens, bathrooms, garages, basements and toilets from unpleasant odors. Corrosion resistance, acid and alkali resistance, and the sealing effect is very good. Packing list: 2 * silicone floor drain We only sell silicone floor drain, not other items in the picture. Due to the difference between different monitors, the pictures may not reflect the actual color of the item. Due to manual measurement, please allow a slight error in size.