Description Style: Sponge Holder Material: 304 Stainless Steel Size: 4.5″ x 2.5″ x 3″ Includes two suction cups and is very easily applied to smooth surfaces. Works on smooth surfaces of stainless steel, porcelain, fireclay, cast iron, etc. *Does not work with quartz sinks (matte finish) or textured stainless steel sinks (hexagon, wave, leather).