Bro'Bear Pet Plush Outfit Dinosaur Costume with Hood for Small Dogs & Cats Jumpsuit Winter Coat Warm Clothes Size Medium: Back Length 10 inches, Chest Girth 14 inches, Neck Girth 10 inches; Measure your dog from the base of the neck to the base of the tail for back length Made for Kitties and Cats SIZE Guide: Measure the chest at its widest point all the way around for CHEST Girth; Measure length of pet's back from the base of the neck to the base of the tail for BACK Length (Excluding the tail). We recommend one size up for comfort if your dog's measurement is the higher end of the range listed. Always choosing the size by the measurement of your pet (The chest girth and back length),not the weight or breeds simply.For jumpsuit with legs, we should pay attention to both chest girth and Made of Soft and Short Plush. With Hood and tail design, perfect for Daily wear, Special Occasions, Weekend Parties, Halloween, Christmas, Birthdays, Photo shoots and Play dates, or just making your pet look its best Machine washable and tumble dry