18.4-in. x 20.0-in. Universal Stainless Roller Mat. Simply roll out the stainless steel mat, and you're ready. It's an ideal solution whether drying glasses or protecting surfaces from hot cooking pots. And when you don't need it, just roll it up. Not only can the Franke Roller Mat be used on any countertop, it also fits over the basins of many sinks that are 18-in or less front-to- back, giving you an added surface for cleaning and prepping. Dishwasher Safe.