These flexible cutting mats come packed in a set of four assorted solid colors, making it easy to utilize the appropriate mat for raw foods, thus avoiding cross-contamination. These terrific mats are flexible so you can roll up to create a funnel-like exit for the transfer of foods to the pan without spilling. Our flex mats include Microban protection, the most trusted anti-microbial product protection in the world, that features built-in defense properties that inhibit the growth of stain- and odor-causing bacteria, mold and mildew, thus always at work to keep the mats bacteria-free between cleanings. Dishwasher safe and knife-friendly.