Product Size and Quality - Comes in a set of 2. Measuring 1 3/4inch (45mm), suitable for drain plug sizes between 45 to 40 mm. Made of high-quality rubber for long-lasting durability. Easy Installation - No tools needed. Simply place the stopper in the drain like a cork and push down firmly. Easy to use for anyone. Functionality - Effectively keeps water in the sink and allows easy removal to drain unwanted water. Provides a perfect fit with no leak every time. Universality - Works on virtually any drain type including shower bathtub drains and kitchen bathroom sink drains. Ideal for replacing damaged, cracked, and old sink stoppers. Special Features - Made from a unique and durable BPA free mixture for a watertight seal. Comes with a 40CM strong stainless steel chain with a 10lb pull force that won't snap and easily reaches from the plug fitting to the drain. The plug measures 40mm at the bottom and 45mm at the top, suitable for specific drain sizes. Please measure before purchase for extra safety.