LotFancy Dog Cooling Vest Jacket Coats Swamp Cooler for Puppies Cats Kittens Pets, Blue Keeps your pet cool in hot weather through natural evaporative cooling and heat reflection. Easy to use  soak the vest in cold water, wring out excess water, strap to your dog  cooling begins immediately! Simply repeat the steps when you feel the vest needs to be recharged. Extremely lightweight. Allowing your pets to move without restriction. Back hook-and-Loop closure for easy application and removal. Non-toxic material. 100% safe for your pets.