【Drain Opening Cap】 For sinks ⚫︎A cap that stops the water flow in the drain, making it easier to clean fan blades, stove racks, and other parts. ⚫︎Perfect for soaking the sink overnight to remove slime from the drain. Lid-type sink covers cannot clean the inside, but this type allows you to clean up to the entrance of the drain. Compatible with drain outer diameters of approximately 42-46mm. Material: Synthetic rubber, nylon #drainopening #slime #bigcleaning #sink