Thank you for looking! ♪ Color: Blue Size: M Made with high-quality materials, it is breathable, comfortable to wear, and gentle on the skin. A lightweight cooling vest that provides long-lasting cool comfort! Easy to put on and take off with a back opening design! Perfect for daily summer walks, outdoor activities, and training! Ideal for dogs' heatstroke prevention, heatstroke countermeasures (cool vest), body temperature regulation, and preventing summer fatigue in pets! Clothes are not just for fashion. They can also be used to protect injuries, prevent licking of medication, prevent shedding of fur, and keep weakened bodies warm! [Ease of Use] Soak the vest in water, wring out excess water, put it on your dog, and start cooling immediately. You can get a cooler feeling by soaking it in cold ice water or chilling it in the refrigerator. If the water evaporates and dries, you can add an appropriate amount of water. Furthermore, you can adjust it properly to make it loose and comfortable for your pet.