Come and Check Our Promo Solutions.A safe, electricity-free solution to keeping pets warm and toasty; the bed mat is equipped with a layer of insulating fiber batting and mylar, which reflects body heat to create a warm sleep surface for pets to curl up in cozy comfort. The sleep surface features cuddly soft quilted faux fur that is gentle on noses and paws for enhanced snuggling comfort. The thermal bed mat is lightweight and portableWe have a total of out side diameter 3 sizes:S 25.6*17.7*3.2,M 31.5"*25.7*3.2in,L 39.4*26.8*3.2in". The size of this price is S. Pls check inventory and detailed info with us before placing your orders.