Dog cooling vest harness keep your furkid cool in outdoor, hunting, training and camping.JUST LET YOUR FURKID ENJOY THE HAPPY TIME WHILE IN A HOT WEATHER This cooling gear 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, the middle layer absorbs and stores water, and the mesh lining keeps your furkids maintaining a comfortable skin feel.The relaxed fit provides maximum shade with UPF 50+ to help protect them from the sun, upgraded hidden side-release buckles for easy on and off, and lookd more pretty. 1. Before going out, put the pet cooling vest in cool water(ICED WATER) until completely wet. 2. After few moment, removeing the cooling jacket and wring out excess water. 3. Put the wrung-out dog cooling coat on your furkid before going outside. If the dog cooling vest evaporates too much water during outdoor use, it can be reused by repeating the soaking process. Nylon webbing with reflective material for good visibility at night and the light color is good for reflecting the sunlight.The stainless steel D-Ring on the dog's back is convenient to attach a leash. Small size, suggested dog breeds examples: Maltese Terrier, Mini Fox Terrier. Medium size, suggested dog breeds examples: Boston Terrier, Pug. Large size, suggested dog breeds examples: Beagle, French Bulldog. X-Large size, suggested dog breeds examples: Pitbull, Labrador. XX-Large size to 3-XLarge, suggested dog breeds examples: Great Dane, Irish Wolfhound.