[Various Sizes] - There are 6 sizes to choose from: XS, S, M, L, XL, XXL, making this dog sweater most suitable for small to medium-sized dogs. Please carefully measure your dog's neck and the widest part of their chest and compare it with the size chart to ensure a proper fit before purchasing. [Thoughtful Design] - There is a hole at the back of the hoodie to allow your dog's leash to pass through, making it convenient for you to take your dog for a walk. Additionally, there is a kangaroo pocket on the back for carrying small items while walking your dog.