Hopeful by Long-Lived Durable Steel Construction Color Coated Large Suction Cups Kitchen Sink Sponge Storage Organizer Holder (Black) Large suction cups adhere to any flat surface: glass, mirror, tile, ceramic, metal, marble, etc Hold sponge or scrub pad in kitchen, bathtub, shower room, etc Color choice beyond classical steel color Durable, sturdy, and rigid. Measures 5-1/2 inches wide, 2-3/4 inches deep, 2-1/2 inches height approximately