These CounterArt clear flexible cutting mats come in a set of four assorted border colors and food icons in the corners of each, making it easy to utilize the appropriate mat for raw foods, thus avoiding cross-contamination. These mats include Microban protection that inhibits the growth of stain- and odor-causing bacteria, mold and mildew. Set includes four (4) mats Flexible Materials: Plastic Dimensions: 15 inches wide x 12 inches long x 0.1 inches thick Care instructions: Dishwasher safe and knife-friendly Always use normal cleaning practices as Microban does not protect user from food borne illnesses that can be caused from raw or unclean food particles