NACOCO Pet Costumes Dog Christmas Suit Dog Elk Santa Costume Polar Fleece Fit for Puppy Dog Teddy Two legs dog costumes, please pay attention to measure the chest circumference of the dog. Get a super adorable elk costume for your dog. Be suitable for Christmas day, Halloween, birthday party, and etc. Size X-SmallBack length 7.9 inches Chest length 12.2 inches Neck length 8.3 inches. Size Small: Back length 9.1 inches Chest length 14.2 inches Neck 9.4 inches. Size Mediume: Back length 10.6 inches Chest length 16.5 inches Neck 11 inches. Size Large: Back length 12.2inches Chest length 18.9 inches Neck 12.6 inches; Size X-Large: Back length 13.8 inches Chest length 20.9 inches Neck 14.2 inches.