Whitehaus has been supplying plumbing fixtures, sinks, toilets, faucets, colanders, and sink accessories for over 10 years, coming from over 45 bathroom and kitchen collections. Whitehaus sink grids are made of copper, stainless steel, and other materials for small and large sinks. Stainless ste ... Read More el sink grids include the WHC3721LG, WHNC2321G, WHNC3220LG, and WHNC1517G models, among others. Copper sink grid models include the GRC1818, GRC3020, and GRC2519 sink grids. Whitehaus colanders are made of stainless steel and strain fruits, vegetables, pasta and more. The Whitehaus WHNEXCO1 Over The Sink Extendible Colander/Strainer is dishwasher safe and features extendible handles and a stainless steel mesh construction. The Whitehaus WCDA-503C Devonhaus 7" X 12-1/2" X 3" Colander is made of 18/10 gauge stainless steel and has large holes in the bottom.