Just tough enough! Your little Punk(in) will rule the walk when he's rocking his Petrageous ";Punk dog"; tee. Super soft and just the right weight for comfortable, everyday wear. Cotton/poly knit tee shirts and dresses with screen printing and embellishments. Machine wash cold, tumble dry low. Make a statement beyond bow-wow!!! Sizing Information: Size: XSmall: 7-9"; Length, 14"; girth; approx. 4-12 lbs. Small: 10-13"; Length, 18"; girth; approx. 12-20 lbs. Medium: 14-17"; Length, 22"; girth; approx. 20-35 lbs. For proper fit, measure your dog from the base of the neck to the base of the tail (length), and around the broadest part of the chest behind the front legs (girth). In-between sizes, Order one size up.