Size:XS Description: Style: Pet Dinosaur Costume,which makes your dog warmer and more stylish. Notes: Please make sure to measure your dog for accurate size before buying our pet clothes so that it can best fits your pet.And there is a picture to show how to measure your dog above,please check it. If your pet has a stout build, please select a size larger. If any of the measurements are ‘between’ two sizes, choose the larger size. If your pet dog is growing up,you can order a bigger size. please take each measurement a bit loosely, so there will be room for your dog to move and breathe, but not too loose. Measurement method: Back : Measure length of your pet’s back from the base of the neck to the base of the tail. Neck: Measure from the base of your pet’s neck to the top of the back all the way around. Chest : Measure at the widest point all the way around of your pet’s chest. The size informaiton following: Size XS: Back length 7.8 inches,Chest girth 11.8 inches,Neck girth 8.2 inches. Size S: Back length 9.8 inches,Chest girth 14.1 inches,Neck girth 9.4 inches. Size M : Back length 11.8 inches,Chest girth 15.7 inches,Neck girth 10.6 inches. Size L : Back length 13.7 inches,Chest girth 17.7 inches,Neck girth 11.8 inches. Size XL : Back length 15.8 inches,Chest girth 19.6 inches,Neck girth 12.9 inches. Size XXL : Back length 17.78 inches,Chest girth 21.6 inches,Neck girth 14.1 inches. Package Included: 1 x Pet Costume