Material: This sink drain is made of high-quality brass, durable and rust-resistant. All materials guarantee quality and are safe and environmentally friendly. Easy Installation: This drain kit is suitable for sinks without an overflow. The sink stopper features a standard G1 connection, perfect for all commercially available sinks. It can be installed tool-free in just a few steps. Easy to Open and Close: Smooth push-button operation with a waterproof seal. Click-Clack Function: Thanks to the pop-up mechanism, you can open and close your new drain with just a click. No more worries about stuck or leaky drain plugs. Strong Construction: Heavy-duty drain valve with a solid brass compression spring, offering excellent resilience and recovery, quickly sealing water and allowing it to flow with a single press. Brand new and high-quality pop-up drain plug without overflow hole. Wide Application: This drain valve is suitable not only for families but also for various bathrooms and restrooms in restaurants, bars, and hotels. This drain faucet sets the highest standards in design and innovation and harmoniously integrates into any washbasin, sink, and countertop without overflow. Features: No Overflow Connection The drain valve has no overflow connection. Install it on sinks without an overflow. Suitable for families and various bathrooms and restrooms such as restaurants, bars, and hotels. Specifications: Material: Brass and zinc alloy Installation Size: G1 Sealing Material: Silicone Overflow: Without overflow