Tony Hoby is professional in pet dog clothes field, we have our own factory to manufacture, all key parts of the pet clothes are handled by our workers. Differently from the market, our pet clothes are uniquely designed, the sizes conforming to 8 lovely dogs that are fed by ourselves. And all the clothes are made by cotton to guarantee the best quality. In our store, you can find all fashionable styles you need. Dog pajamas, dog shirts, dog skirts, dog suspenders, dog jeans etc, all the year around clothes for you choosing. Please refer to below size chart and choose the suitable size for your puppy. If your puppy falls in between sizes, please choose larger XS: Chest Girth 11'' - 12", Back Length 8" | Recommend Pet Dog Weight 2.2 - 4 lbs S: Chest Girth 13'' - 14", Back Length 10" | Recommend Pet Dog Weight 4.2 - 5.7 lbs M: Chest Girth 15'' - 16", Back Length 12" | Recommend Pet Dog Weight 5.5 - 8.8 lbs L: Chest Girth 17'' - 18", Back Length 13" | Recommend Pet Dog Weight 8.8 - 12.1 lbs XL: Chest Girth 19'' - 20", Back Length 14" | Recommend Pet Dog Weight 12.1-14.3 lbs How to Measure your Baby Pet? Tracking the pet dog's body line with a tape while the dog is standing Neck Girth: Girth of the pet's neck Chest Girth: Widest Girth around the dog's chest Back Length: From the "V" point of the vest to the tail Our Service Purpose To ensure you get the right size pet clothes for your puppy To care your honest partner with you forever Kind Note: There will be 1-2cm difference due to manual measurement Contact us directly if you are not sure with the sizes before purchasing Email us to exchange if the pet clothes you get is not suitable size