Made for Sport: The Ice Cool is a cooling vest that uses shade and evaporative cooling to keep your dog cool during light and fast, high-intensity activities. Free of chemicals or other potentially harmful components, more safer for your pet. To activate, simply wet the Ice Cool and wring out.NOTE: Please be sure to accurately measure the size of your dog's NECK,CHEAST,BODY LENGTH and choose the right size for your favorite pet. Stay Cool: The layered construction is designed to keep your dog cool when the temperature rises. The outer layer reflects heat and facilitates evaporation while the middle layer absorbs and stores water for evaporation. Stay Comfortable: The comfortable inner layer transfers the cooling effect from the jacket to the dog. Additionally, our cooling vest also helps UV protective, offers UPF 50+ coverage, prevent the strong sunlight from hot summer, protect dog from sunburn, make dog feel like in cool weather. Designed for Dogs: The belt buckle closure make you can adjust the chest to fit your dog perfect and do not slip that allows your dog to run and play without restricting movement. And elastic design on the part of neck provides a high-performance fit and easy to put on and off . Reflective band for additional visibility and add the security when your dog walk at night. Under low light environment, reflective article is visible, more safety, you can more rest assured. How to Use: 1.Soak the cooling dog vest in cold water;2.Wring out excess water;3.Put the cooling jacket on your dog.(If your dog has always been outdoors,PLEASE repeat the previous 3 steps regularly to make your dog cooling down.) The three-layer construction provides cooling, support, and stability that's sure to last for many seasons of adventures.