FEATURES This pet winter coat is made of warm cotton. The neckline of the clothes is made of fur collar material, which is warmer. The diamond design of the jacket is more windproof. The four-leg wrap design is warmer. The button design is easy to put on and take off. *These coats run small. Please go for the BIGGER size than usual. SIZE CHART: LENGTH CHEST NECK WEIGHT S 7.9" 12" 9.8" 3.3lb M 9.8" 14" 11" 5.5lb L 12" 16" 12" 8.8lb XL 14" 19" 13" 12lb 2XL 16" 22" 15" 18lb Tips: These coats run small. Please go for the BIGGER size than usual. Manual measurements may have 1-3 cm errors. The real color may slightly differ from pictures due to your device screen's resolution, brightness, contrast, etc. For the growing dog, you'd better choose the bigger size than the actual one. Please measure the size of your pets precisely and refer to our sizing chart in advance.