【Pop-up Design】This sink stopper is engineered to catch hair and prevent clogs in your bathroom sink. Featuring an easy-to-use pop-up mechanism, it allows for effortless opening and closing of the drain. With a diameter range of 1.1-1.45 inches, it fits most U.S. bathroom sinks and acts as an effective drain filter. The brass core construction guarantees durability and long-lasting performance, making it a reliable choice for any bathroom sink. 【Perfect Compatibility】This bathroom sink drain strainer is designed to fit 99% of sink holes and includes a rubber ring to ensure a snug fit for various drain sizes. It accommodates drain holes with an inner diameter range of 1.02 to 1.2 inches, making it highly versatile for use in washbasins, bathroom sinks, and shower bathtubs. This ensures a perfect fit and optimal performance across a wide range of fixtures. 【Upgraded 2-in-1 Design】 pop-up bathroom sink drain filter features an integrated anti-clogging basket, merging stopper and filter functions into one. The anti-clogging basket effectively catches hair and debris, preventing them from entering the drain and causing blockages. This design ensures efficient drainage and helps maintain a clog-free sink, providing seamless functionality and ease of maintenance. 【Durable and Long-lasting】Crafted with a sturdy brass core, this sink stopper is designed to withstand daily use and resist corrosion. Its robust construction ensures long-term durability, making it a reliable investment for your bathroom. The high-quality materials ensure it remains functional and visually appealing over time, providing consistent performance and enduring elegance for years to come.