【Perfect Size】The sink stopper has an outer diameter of 84 mm. It fits sinks with a diameter between 84 and 87 mm. Compatible with most sinks with closed or offset overflow drains. The sink stopper. NOTE: Check your sink's measurements before purchasing. 【Clog Prevention】The sink strainer has 20 small holes that effectively filter food scraps, preventing clogs and unpleasant odors, while ensuring optimal water flow. 【High-Quality Materials】Our sink stoppers are made of high-quality stainless steel, a very durable and resistant material that guarantees a long lifespan. Thanks to its waterproof rubber seal, this strainer also effectively seals the drain opening when water is still in the sink. 【2-in-1 Function】This stainless steel drain stopper functions as both a plug and a sink filter: push it down to seal the drain and lift it slightly to drain water and catch debris. 【Multifunctional Use】These drain plugs are suitable for kitchen sinks, bathrooms, bathtubs, showers, laundry rooms, and all drains that require filtration.