WaterproofOur dog raincoat is made of waterproof polyester material, which will keep your dog dry in rainy or snowy weather. Hoodies DesignOur dog raincoat is a hooded design that will keep your dog's head dry and prevent colds. The front edge of the hat has a transparent baffle that won't obstruct your dog's view. Harness HoleThe rain jacket has a small opening on the upper back for the harness user. It is recommended that the user use the chest strap, which has the best effect. Cleaning MattersIf raincoat is not very dirty, you can wipe it with a cloth. If it is very dirty, you should wash it by hand, not in the washing machine.Please use lukewarm water when cleaning the raincoat, and then let it air dry naturally. Do not expose it to the sun, or else the waterproof layer will be damaged. Choose SizeS-Size:Neck Girth 11.4-12.6in;Chest Girth 14.9-16.5in;Body Length 10.2-11.4in.This raincoat is not elastic. So before choosing the size, please measure the dog's neck circumference, chest circumference and back length, and then refer to the size chart to select the appropriate size.