Size: 3Y. Measurements chest 52-54 cm. Size: 4Y. Measurements chest 54-56 cm. Size: 5Y. Measurements chest 56-58 cm. Size: 6Y. Measurements chest 58-60 cm. Sleep dress with front pocket logo. 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.