Sink Stopper: Universal pop-up stopper with magnetic anti-block valve, fits 30-40 mm drain holes (Silver) Pop-up Core Design: This sink stopper features an innovative pop-up core design for effortless use. A gentle press automatically pops the stopper open, allowing water to flow freely. This design ensures quick and easy opening and closing without twisting or tools. Leak-Proof Seal: The stopper provides an excellent leak-proof seal. When pressed down, it creates a tight seal, preventing water leakage. This ensures no water escapes while using the sink, saving water. Wide Application: Suitable for all types of sinks, whether at home or in commercial settings. Install it in kitchens, bathrooms, or public restrooms for a simple and effective draining solution. High-Quality Materials: Made from durable and eco-friendly materials, this stopper is corrosion-resistant and ensures a long lifespan. The material meets hygiene standards and is easy to clean and maintain.