Cotton Pet Doggy Apparel Dog T-Shirts Cool Puppy Clothes XS (neck 29cm;Chest 38cm; Back Length 25cm) S (neck 31cm; Chest 42cm; Back Length 28cm) M (neck 35cm; Chest 47cm; Back Length 33cm) L (neck 40cm; Chest 52cm; Back Length 38cm) Product Material: 100% Cotton.