Our eye-catching DIVA DOG Attitude Tanks give any dog an edge on fashion. Soft and comfy poly/cotton tank is emblazoned with a bold, glittery, silkscreened logo with a studded center. Diva Dog design combines feminine pink with blue trim and also see our Top Dog design for the boys which is designed in black with red trim. Both are machine washable for easy care Back: Measure length of pet's back from the base of the neck to the base of the tail. Neck: Measure the circumference of pet¿s neck for a snug fit. No need to add inches as you would with a collar.Chest/Girth: Measure girth around the broadest part of the chest and add 2 inches. Note: If the dog has a stout build, select one size larger.X-Small Up to 8" 7" - Neck: 10" Chest: 12" - 14" Small 8" - 12" Neck: 10" - 14" Chest: 14" - 18" Medium 12" - 16" Neck: 12" - 16" Chest: 18" - 22" Large 16" - 20" Neck: 14" - 19" Chest: 22" - 26" X-Large 20" - 24" Neck: 16" - 21" Chest: 26" - 30"