Usage Tips:2-In-1 Design: The sink drain stopper perfectly combines 2 features of drain-stop and anti-clogging in one. The drainhas a built-in spring that es freely between bounce-out and states with a single . Perfect Compatibility: The upgrade universal bathroom sink stopper fits most drain holes. Recommended drains are 35-55mm in diameter and over 55mm deep. Please be sure to measure the sink drain hole before purchase. Premium rial: The sink stopperis mainly made of high-quality stainless steel rials, sturdy, anti-rust, and anti-cracking. With its good bounce and rebound strength, rapidly drai and quickly sealing water. Build-in Strainer: The sink s with an anti-blocking basket strainer inside which can collect hairs and protect the drain from clogging up, achieving effective filtering. Suitable for bathtub, bathroom and kitchen sink, etc. Easy to Install: No tools are needed, it can be installed easily with bare hands. You just take out the old bounce core and install a bounce core. Anyone can install the bounce-out drain because of its simple structure. Type:Long rial: Stainless Steel, Copper Core Color: Silver Item Size: 80 * 55 * 55mm/3.15 * 2.17 * 2.17in Item Weight: 27g/0.95oz Package Size: 81 * 56 * 56mm/3.19 * 2.2 * 2.2in Package Weight: 70g/2.47oz Packing List:1*Sink Stopper