MaruPet Outfit Winter Warm Son Goku Printed Four-Leg Jumpsuit Overalls Outfit M--Neck:11.5" Choose size based on the BACK since it's a FOUR-leg outfit, and please take all size infortamtion into consideration before purchase, any questions, please contact the Sister Amy directly for some help Take each measurement a bit loosely and if any of the measurements are "between" two sizes, or your dog is still growing, larger size is recommended. Don't buy a particular size because that is what you always buy in a pet shop or online store, look at the size chart for CHEST and BODY and confirm the size before buy . The blingbling dress can make your puppy looks uniquein crowd, and it's perfect for special occasions, weekend parties, halloween, christmas, birthdays, weddings, parades ect. The fashion design and the material can keep your doggie warm and fashionable in cold weather. With a pet costume in unique shape, dogs will be ready for parades, parties, or just having fun. 100% cotton material, so it won't hurt the dog skin and the comfortable material can provide enough room for your baby dog to move and breathe