Premium Material: Breathable mesh material + high absorption cotton + superior cool fabric, which can evaporate excess heat and reflect UV. Not only can provide coolness, but also prevent your dog from getting sunburned. Keep your furry friend cool and comfortable in hot weather How to Use: (1)First, you need to soak the dog cooling vest in cool or cold water. (2)Then wring the water out. (3)Putting it on your dog and close the buckle. Please dont let your dog wear the cooling coat too long alone, take off it once they feel uncomfortable Safety Small Medium Dogs Cooling Vest: Our dog cooling jacket is designed with reflective stripe which is safe for dogs even in dark night. S/M/L are available, please choose the right size based on size chart. Easy to Wear: Double sided adjustable buckles, convenient for you to put on the dog cooler coat. Explosion-proof punching buckle, fits the dog's body better, increases the heat conduction area, and brings the dog a cooler experience. Hidden D-Ring: The traction structure is hidden, and the force points are evenly distributed inside during using dog leash, not on the surface of the clothes, so the dog cooling vest will not be damaged