Pet supply, designed cooling vest is made of a three-dimensional mesh and polymer resin, which is soft and comfortable. It can absorb heat from around your dog's body and release it, helping your dog stay cool. The outer layer blocks UV rays(provides maximum shade with UPF 50+ to help protect them from the sun), the middle layer absorbs and stores water, and the mesh lining keeps your furkids maintaining a comfortable skin feel. Upgraded hidden side-release buckles for easy on and off, and looks more pretty. stainless steel D-Ring on the dog's back is convenient to attach a leash. Reflective material for good visibility at night and the light color is good for reflecting the sunlight. Before put the dog vest on your furkid, you can put it in a cold water so that your furkid would get a rapid cool. It is great dog cooling vest harness keep your furkid cool in outdoor, hunting, training and camping. Available sizes from small to 3XL, suitable for all breads, such as, Maltese Terrier, Mini Fox Terrier, Boston Terrier, Pug, Pitbull, Labrador, Great Dane, Irish Wolfhound.