Pet Anxiety Relief: Keep your pet calm, comfortable and relaxed with this easy to fit and practical cooling vest. It can stops the dogs from panting, overheating and relieves heat stress in hot weather Designed & Practical: Printed ice pattern for sense of cool. Made of breathable cooling material, washable and reusable, offers cool wearing experience for your pet. Lightweight Fabric: Lightweight even when wet. The cooling shirt uses an evaporative cooling process to bring down your dogs temperature, allowing your dog to comfortably continue their summer activities. Easy to Use & Machine Washable: Soak the Dog Cooling Jacket in cold water, wring it out and put it on your dog. Machine washable and lay flat to dry. For better cooling result, after few washes, suggest wrap and leave in fridge overnight. 7 Sizes for Choice: Choose from dog / cat vest in sizes of range from XS-3XL. Soft and stretch, easy to fit. XS: Neck 9.45" Chest 14.15" Length 10.5" S: Neck 12.6" Chest 17.5" Length 12" M: Neck 14.15" Chest 21.25" Length 15" L: Neck 15.75" Chest 23.5" Length 16.15" XL: Neck 17.75" Chest 26" Length 18" 2XL: Neck 19.5" Chest 31.75" Length 20" 3XL: Neck 23.5" Chest 35" Length 24.75"