These CounterArt kitchen flexible cutting mats feature a waffle backing, allowing for non-slip usage while cutting or chopping. Made of FDA approved materials, these mats are flexible so you can roll up to create a funnel-like exit for the transfer of foods to the pan without spilling. This set of flex cutting mats comes in assorted colors, making it simple to use different mats for raw meats and vegetables, avoiding cross-contamination. These mats measure 11 by 15 inches and are dishwasher safe.