[6 Sizes Avalible: Please priority follw the chest size. Size X-Large fits 14.5" back 20.8" chest. "Warm and Cozy: Our dog sweater is made of 95% polyester 5% spandex that is soft warm and comfortable. Make your pets winter snuggly and thermal." "Turtleneck Sweater for Dogs: These dog sweaters features a turtleneck design for stylish can fully wrap your pets neck chest & belly snugly and keep warm well. keep your pet warm and fashionable during winter." For All Occasion: The winter dog clothes can be worn for any occasion such as daily walks park days gatherings and holiday photoshoots. "Comfy & Stretchy: Dog sweatshirt can stretch easily in all side to fit your fur babys body and pullover design makes it easy to put on and take off."]