This is a fashion design jacket,high quality in waterproof nylon cloth layer,your pets can wear in rainy days. This jacket is perfect for protecting your puppies from a cold weather. Made with 100-Percent polyester, fleece vest hoody is soft and warm.Exquisite workmanship,have a magic buckle on both sides of the chest and neck , adjustable chest,easy to put on and take off,Keep your dog fashionable and warm during the winter! PetCee warm tips:When you are ready to choose jacket for your pets,it’s better to measure your pets neck,chest,and back length.and then refer to the jacket size as following. Size XS:Length 9.7″,Neck 8.9″,Chest 13.7″-15.2″,Jacket Weight 0.15lb S:Length 11.7″,Neck 10.9″,Chest 16″-18.4″,Jacket Weight 0.21lb M:Length 13.7″,Neck 12.5″,Chest 18.4″-20.8″,Jacket Weight 0.25lb L:Length 14.9″,Neck 14.5″,Chest 21.5″-25.5″,Jacket Weight 0.32lb XL:Length 16.1″,Neck 16.1″,Chest 23.6″-27.5″,Jacket Weight 0.37lb XXL:Length 17.7″,Neck 18.1″,Chest 26″-30.7″,Jacket Weight 0.41lb XXXL:Length 22.4″,Neck 20.1″,Chest 31.5″-38.6″,Jacket Weight 0.45lb