Crafted from plastic materials, and not easily deformed Space saving with compact size, the sponge holder neatly mounts in your sink, freeing up counter space Easy to Install, please clean the sink Then, press the sponge holder to the surfaces of the sink and squeeze out the air to keep it firmly hold It can suction to any clean, smooth surfaces like mirrors, glass, tiles, stainless steel plates, iron plates, aluminium plates and plastic plates Perfect for kitchen,workplace, bathroom, craft room, laboratory, classroom, or office sinks