Bro'Bear Pet Dinosaur Costume with Hood for Small Dogs & Cats Outfit Winter Coat Warm Jacket Made for Cats, Puppies and Small Sized Dogs Size X-Large: fits pet's Neck Girth 14 inches, Chest Girth 21.6 inches. The outfit is 14.5 inches in Length (Size Runs smaller than US standard. Don't let "small, medium, large" sizing confuse you. Be sure to measure your puppy before purchasing.) 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 Velvet. 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