Keep your furry friend cool -- Our dog cooling vest is perfect for walks, hikes, and summer sports. It uses natural evaporation and heat reflection to keep your pet cool in hot weather. Quick and easy relief from heat -- Simply soak the dogs cool vest in cold water or put it in the freezer to activate it. Wring out the excess water and put it on your dog for instant relief from the heat. Lightweight and portable -- Our cooling vest is extremely lightweight, so your dog won't even notice they're wearing it. It helps prevent overheating, fatigue, and dehydration, whether you're at home or on the go. Easy to wear -- Our dog cooling vest is designed with an adjustable buckle and comfortable elastic band on the chest, making it easy to put on and take off. It's perfect for walks, jogs, and other indoor and outdoor activities in the summer, making it an excellent choice for active dogs. Service -- Please measure your dog's chest, neck, and back length before selecting a size, and choose the appropriate cooling vest according to the size chart. If you have any questions during use, please contact us first, and we will solve your problem within 24 hours. [How to use] Soak in cold water for 5-10min, wring out the water, and put it on for pets