French Bulldog cooling vest with three layers of cooling fabric keeps your Frenchie cool in hot weather through natural evaporative cooling and heat reflection.  Easy to use - soak the pet cooling vest in cold water, wring out excess water, and tie it to your dog - start cooling down immediately! When you feel that your vest needs to be "charged," repeat these steps. Our dog cooling vest is designed for all ranges of sports, soft and lightweight materials; the Frenchie cooling vest also helps with ultraviolet protection, preventing the strong sunlight of hot summer, protecting dogs from sunburn, and making dogs feel like they are in a cool swamp. This product has a reflective strip design, a dog cooling vest design with a belly buckle, easy to put on and take off, for the dog to provide the best range of motion, making it ideal for a highly active dog like Frenchie. This dog costume is a great gift for Frenchie! Please choose a suitable pet cool jacket according to the size chart described. Before selecting a size, measure bust, neck circumference, and back length. Leave plenty of room for two fingers to slide between the tape measure and the dog's neck and chest circumference.  Instructions: Soak the vest in water Press Wear it on your pet PS: if you put it in water, dry it, put it in the freezer for 10 minutes, then take it off, the cooling effect will be more obvious. Packing: dog vest X 1 Material: PolyesterColor: Blue/Green/Pink/Orange