The Pet Tux will garb your pet in the style they need to accompany you in your wedding. The pet tux is designed to look like a black tuxedo jacket with a white shirt and black bow tie. However, because your furry friend is not as nimble as a human it comes in one solid piece without the pesky arms! Use the chest dimension of your pet to determine the suitable size - see list above for sizing. Select the size with the same chest measurement or slightly larger.TO MEASURE CHESTStart at the base of the neck, following down and around the body of the dog, immediately behind the front legs.