Suction cup sink sponge holder wall adhesive cat hook sponge holder 1. easy to install, no drilling required. 2. suction cup can securely attach to wall. 3. perfect for hanging and draining sponge, soap and so on. 4. please install the hook on smooth and flat surface, or it will fall off easily. suction cup sink sponge holder sponge drain rack kitchen storage hanger punch free kitchen tool sink rag dishcloth storage rack.