Elkay LKSMHSL Sinkmate Kit with Hook, Sponge Holder, and Ledge SINK ACCESSORIES KIT: Keep your sink organized with magnetic accessories that adhere to the sidewalls of stainless steel or cast iron sinks. STAINLESS STEEL CONSTRUCTION: Hook, ledge, sponge holder and backing strip are constructed of stainless steel. INCLUDES: Strong, removable magnets that adheres to back of each individual accessory. DISHWASHER SAFE: Hook, sponge ledge and ledge are dishwasher safe; remove magnet before washing. INSTALLATION: Easy peel and stick installation. STYLISH DESIGN: Accessories are designed to blend in beautifully with your stainless steel sink bowl.