Ruff Ruff and Meow Dog Tank Top, Little Killer, Black, Medium Available in a Variety of Sizes 100% Cotton Prewashed to Prevent Shrinkage & Garment Dyed to Prevent Fading! Proudly Made in the USA with Love Medium is typically appropriate for Dogs 10-20 lbs, Fits Chest Circumference 12-17; Shirt Length 14.5