NACOCO Pet Sweaters Skeleton Sweater Skull Black White Sweater The Cat Dog Clothes Pet Clothing Little Puppy Dog Sweaters Size X-SmallBack length 9.8 inches Chest length 10.2 inchesNeck length 8.7 inches Size Small: Back length 11.8 inches Chest length 13.4 inches Neck 9.4 inches Size Medium: Back length 14.2 inches Chest length 15.7 inches Neck 10.2 inches Size Large: Back length 16.9 inches Chest length 18.1 inchesNeck 11 inches