1Bring your own cooling bag, which is stored in the refrigerator before use, and has a good cooling durability. 2Bright color and stylish design make it a great decor for your pets. 3Easy to put on and off thanks to the adjustable elastic cord strap . 4Made of high quality material, comfortable to wear and skin-friendly, non-toxic, safe and environment friendly. 5Use special cooling technologies, keeps your dog cool during hot summer days. Reusable and hand washable.