[Chrome and brass plated material] With durable construction, the solid brass rebound core has good resistance to rebound and rebound, and can quickly seal the sink hole or drain the water.< /p> [No Leakage & Popup Drawing] Sealed securely with double rubber sealing rings, there are no leaks or drips underneath. If you want to drain the water, just press the button on the sink stopper. Easy and convenient [Overflow Hole Design] With a 69mm sink hole cover, this bathroom stopper can prevent overfilling, so it is a great home helper for you. [Easy to install and clean] With 16mm / 0.6 inch bottom screw, easy to screw in and out. The grooved pin bolt set is separable, so it is convenient to clean. [Fleet hole] The bathtub drain plug is suitable for sinks with a 2.72 inch hole and a 1.7 inch drain (the size mentioned above is the diameter). So please make sure the hole size before placing orders.