INSTANTLY COOLING--Made of unique cooling microfiber，closely woven and breathable fabric，draws excess heat from body through evaporative cooling EASY TO USE--Soak the dog cooling jacket in water, wring it out fully, then put it on your dog. For better cooling results, you can soak it in water and wring it dry and put it in the refrigerator for 10 minutes, and take it out to put it on your pet BETTER PROTECTION--the UV protection material can protect your dog from sunburning; Unique refective stripe to enhance the safety in night-time walking MORE SENARIOS TO USE--Adjustable chest size. easy to wear, great for outdoor activity as walking, hiking, camping, beach party IMPORTANT NOTICE--Read the size table carefully before placing order and chest girth is the most important data to refer. Different brands have their own size standards, so do not make choice according to the previous experience. We do recommend you to measure your pets regularly dog cooling vest