OXO good grips, large silicone sink mat, soft, silicone provides cushion to protect sink, glasses & dishes from scratching & chipping, feet elevate mat to allow for water flow & aeration, pattern allows for cutting a hole to accommodate most drain openings, heat-safe silicone for placing pots & pans in sink directly from stove, dishwasher safe, 16.25" x 12.75", dishwasher safe.