Elkay LKEKSPONGE e-dock Sponge Holder MAGNETIC SINK SPONGE HOLDER: Adheres to the sidewalls of stainless steel, porcelain or cast iron sink to hold sponge and keep sink tidy. STAINLESS STEEL CONSTRUCTION: Constructed of stainless steel and designed to blend in beautifully with your stainless steel sink bowl. REQUIRES: Use of sponge holder requires LKSM17, Elkay 17" backing strip. Easy peel and stick installation of backing strip. INCLUDES: Strong, removable magnet to conveniently place the sponge holder where you want within the sink. DISHWASHER SAFE: Sponge holder is dishwasher safe; remove magnet before washing. COORDINATING ACCESSORIES: Checkout other Elkay magnetic sink accessories, including a hook for dish clothes and a ledge for soap.