CounterArt Chop Chop Flexible Non-Slip Suction Cutting Mat (Set of 4), 11 by 15-Inch Counterart-Chop chop set of 4 cutting mats in assorted bright colors Features state of the art suction backing that grips the countertop and holds mat in place Flexible feature allows for rolling up to create a funnel-like exit for the transfer of foods to the pan without spilling Won'T dull knives; top shelf dishwasher safe Measures 15 by 11 inches; set comes in 4 assorted colors