Elkay LKSMSPONGE SinkMate Sponge Holder MAGNETIC SPONGE HOLDER: Adheres to the sidewalls of stainless steel, porcelain or cast iron sink to hold sponge. STAINLESS STEEL CONSTRUCTION: Sponge holder is constructed of stainless steel and designed to blend in beautifully with your stainless steel sink bowl INCLUDES: Stainless steel belt that adheres to underside of the sink and a strong, removable magnet that adheres to back of hook. DISHWASHER SAFE: Stainless steel hook is dishwasher safe; remove magnet before washing. INSTALLATION: Easy peel and stick installation of backing strip. COORDINATING ACCESSORIES: Checkout other Elkay magnetic sink accessories, including hook for dish clothes and ledge for soap.