Vessel Bathroom Faucet & Vanity Sink Pop Up Drain Overflow Plug, Black Description Good Quality: The sink drains are made of high quality brass materials, it is durable, not easy to rust. All materials can guarantee the quality. Materials we have been using for a long time are harmless and environmentally friendly. So dont worry about your health after using our products. Fixed structure: Heavy-duty construction drain valve, solid brass compression spring, which has good rebound and rebound resistance, seal water quickly and let it flow with a single press. Brand new and high quality drain plug with overflow hole. Easy to install: Drain valve with standard 1 , can be installed in a few steps without any tools Perfect design and installation dimensions on all standard sinks and basins. Easy to open and close. Smooth push-button operation with waterproof seal. Wide application : The sink drains are uniquely designed.Equipped with a strainer basket that prevents foreign matter from clogging the channel,very easy to clean.They are especially suitable for various sinks.Retro, vintage, modern, rustic, cool and so on.Different styles for different kinds of sinks.