MaruPet Winter Windproof Elegant Fake Two Pieces Dog Vest Coat Warm Dog Vest for Cold Weather Dog Down Jacket for Exrta Small, Small Dogs H-Colorful SBrand: MaruPet Color: H colorful Features: S Back: 9. 0" S Chest: 12. 5" Because the vest is two leg clothes, you can choose size maily according to your doggie Chest and it's designed for Small dog, please pay special attention Ensure your puppy is Standard Size, if your puppy is a Kitty, please take all size infortamtion into consideration before purchase Take each measurement a bit loosely and if any of the measurements are "between" two sizes, or