Material: Black sink trap without overflow, made of high quality brass, they are durable and not easy to rust. All materials can guarantee the quality. The materials we have used for a long time are safe and environmentally friendly. Easy installation: the black sink trap is suitable for sinks without an overflow. Sink stopper with standard G1¼ connection, perfect for all standard sinks. Can be assembled in a few steps without any tools! Easy to open and close. The Up mechanism opens and closes your new waste bin with just one click. worry about blocked and leaking diverter caps. Solid Construction: Heavy duty construction Relief valve, solid brass compression spring that provides good kickback resistance and has a bounce, seals water quickly and empties with one push Brand new and high quality Pop-up drain plug with overflow hole > Wide application: This drain valve is not only suitable for families, but also for various bathrooms and toilets such as restaurants, bars and hotels to