Suction Cup Hook Holder - Super Suction - Set of 2 White Finish - Easy push-button installation Suction Cup Hook - Set of 2 White Finish Hooks. 2 3/4" diameter suction cup. 4" overall length Super Suction and incredibly easy to install - just position and press the center button to create a powerful suction Works best on solid surfaces - tile, glass, appliances and smooth stone Generous hook size permits hanging a variety of items - towels, brushes, loofas, or kitchen items (pans, spatulas, etc.) Rated and certified to hold up to 11 lb (5 kg) ! Extremely strong suction