1.VERSATILE USE This retractable sink plug is suitable for all types of bathrooms and kitchens. Suitable for drain holes with an inner diameter of 34 mm to 40 mm (1.34 inches to 1.57 inches). Please note: please measure the size of the drain hole before purchase to avoid mismatch between the product and the drain hole. 2.Easy to install: drain plug pop up bathroom sink stopper has 2 seals(one black and one white), just remove the original drain plug by hand and insert our drain plug, plug and play design, just press the spring switch, you can easily achieve fast drainage, good elasticity, with anti clogging filter quick drainage is not easy to block, make your life more convenient. 3. and sturdy: there will be no delay in pressing. Multilayer sealing ring design, tightly sealed, solves the problem of traditional drainage buttons that get stuck or leaking. Compared to oldfashioned drain plugs, white ceramic drain plugs have a more elegant and minimalist style. White highlights a sense of luxury. Let our drain plugs bring a brand experience to your sink. 4.HIGH QUALITY CERAMIC Our universal sink drain plug is made of high quality ceramic, which is resistant to high temperature, has a smooth surface, rounded edges, rust and corrosion, and is durable. Suitable for bathtubs, baths, kitchen sinks, etc.