Size: 2Y. Measurements waist 48-50 cm, hip 53-55 cm. Size: 3Y. Measurements waist 49-51 cm, hip 55-57 cm. Size: 4Y. Measurements waist 51-53 cm, hip 57-59 cm. Size: 5Y. Measurements waist 52-54 cm, hip 60-62 cm. Size: 6Y. Measurements waist 53-55 cm, hip 61-63 cm. Pack of 3 boxers for boy. Made from 95% bamboo viscose and 5% spandex. An incredibly smooth, lightweight and breathable material. Bamboo material enhanced weave quality and the perfect amount of stretch. Machine washable 30C.