About this item Compatible - Fits standard kitchen drain size of 3 1/2 inch diameter kitchen sink with garbage disposal. Simple Easy Quick - Sink stopper is a convenient way to covers the drain with garbage disposal to stop water flow, hold water in your sink and protect your disposal. No tools needed, simply place the stopper on your drain. Protection - Prevent damages of your disposal from an unwanted item such as utensil, dish or other waste getting into the disposal and causing internal damage and malfunctioning. Measurement - Standard diameter of 3 1/2 inches with a rubber seal around the hardware to provide a tight seal to stop the water. 7/8 inches in height including a handle for firm grip and accessibility. › See more product details