Size: M - Open new avenues of business with a great item like this Doggie Skins doggie baby rib tank! It's made of 5.0 oz., 100% combed ringspun cotton 1x1 baby rib (heather is 88/12 combed ringspun cotton/polyester, white is sewn with 100% cotton thread) and features double-needle ribbed binding on the neck, armholes, and bottom hem. This also features an EasyTear™ label and is machine washable (tumble dry low). Sizing is as follows: XS (0-4 lbs.), S (5-10 lbs.), M (11-23 lbs.), L (24-45 lbs.), XL (46-70 lbs.), 2X (71-85 lbs.), 3X (86+ lbs.). For breeds with larger chests, purchase one size up from the weight range. Note: Bleed-resistant ink is recommended when printing our camouflage products. Put your brand ahead of your competitors! Blank product.