Description: Breathable & Comfortable:Cool fabrics adjust the temperature by quickly evaporating and absorbing heat, bringing cool comfort to pets.Light, breathable and comfortable to wear. Waterproof Design: The inner layer of waterproof material tightly locks the moisture, transmits the cool feeling to your dog, and will not wet the dog hair. Reflective Strip Effect: your pet more safer at night. D shaped metal ring design can attach pet leash. Adjustable: The neck circumference and abdominal circumference can be adjusted according to the size of the pet. Use Method:1. Soak the cool coat with cold water before going out. If you want a cooler effect, you can put it in the refrigerator for 10 minutes. 2. Twist the cool coat until it does not drip, and put it on for dog. 3. After the clothes have evaporated to dryness, you can add an appropriate amount of water Size Chart: S Size: Length:26cm/10.24inch Neck: 37-47cm/14.57-18.50inch Bust: 42-53cm/16.54-20.87inch M Size: Length:35cm/13.78inch Neck: 40-52cm/15.75-20.47inch Bust:51-66cm/20.08-25.98inch L Size:Length: 43cm/16.93inch Neck: 47-64cm/18.50-25.20inch Bust: 63-80cm/24.80-31.50inch XL Size: Length:51cm/20.08inch Neck: 55-77cm/21.65-30.31inch Bust:78—99cm/30.71-38.98inch Package Includes: 1 Piece Cool Dog Vest Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.