100% NON-TOXIC COOLING TOUCH FABRIC. The surface material is high-quality polyester with CMC special cooling technologies, padded, highly absorbent, comfortable,e and cold during hot weather REDUCES heat-stress + fights fatigue + alleviates dehydration. WITH BUILT-IN LEASH HOLE so your dog can stay cool on the go! LIGHTWEIGHT, which allows it to retain moisture for hours longer than an ordinary sponge or cotton towel