Doggie Tank Top, Big Brother, Extra-Large The perfect way to complement your pet's own unique personality Available in a variety of colors and sizes 100% Cotton, Machine washable Made with love Medium shirt is typically appropriate for dogs 10-26lbs; download size chart for more information 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 Medium shirt is typically appropriate for dogs 10-26lbs; download size chart for more information