the kitchen mat surface is made of thick and soft polyester, which is comfortable to stand on for long time.the size is 43x75cm+43x120cm and four colors for your choice; these kitchen floor rugs and mats will meet any home and kitchen decor, and also ideal gifts for your families and friends.the backing of this kitchen rug sets is with thousands of silicone lines, which can keep rugs firmly in place to avoid accident falls.