BUILT-IN FILTERS: Sink drain valve, There is a valve at the bottom that can automatically close against insects and odors. The sink stopper has an inner basket strainer that can collect hairs and prevent the drain from clogging, objects cannot enter the drain, such as jewelry, rings, dirt, etc. UNIVERSAL SIZE: Bathroom sink stopper It is suitable for drain holes with an inner diameter of 34 mm to 40 mm. Please pay attention to the installation size of your sinks before purchasing, to avoid the product entering the drain hole. PREMIUM MATERIAL: Sink stopper made of high quality solid brass and PC material. The chrome-plated surface effectively protects against corrosion and rust, good rebound and rebound resistance, sealing and quick draining can be achieved with just one click. WIDELY USED: The drain stopper can be used in the bathroom for sinks and bathtubs, as well as for the kitchen. EASY INSTALLATION - No tools required, can be easily installed with bare hands. All components can be easily removed. Due to the simple and practical structure, even for women, the drain can be installed in a few steps completely without using commercial sink instructions. Features: 1. Pop-up basin sink debris is easy to clean, all components can be easily removed. 2. Pop-up drain The gaskets are made of high-quality silicone, the anti-dry cracking silicone washer and gaskets ensure no water leakage. It can be used for a long time. Specification: Material: Copper/PC Color: Silver Size: As the picture shows Package Includes: 1 x Pop Up Sink Stopper Hint: 1. Please pay attention to the installation size of your sinks before purchase. 2. Please allow slight dimension difference due to different manual measurement.