Kitchen Sink Corner Tool is convenient Cove Sink Shelf mounts by suction in a corner of your kitchen sink and provides ample space to keep your sponge, scrubber, scrub brush, and soap dry and organized. Constructed of molded plastic, the lightweight yet sturdy shelf is held securely in place by a strong suction cup underneath. Ridges on the top surface provide drainage and air-circulation for quick drying of wet items. A front compartment with a hole in the bottom is designed to accommodate a scrub brush, and can just as easily corral a sponge or scrubbing pad