Size(cm)/(inch) 0-6 Months Length: 29 / 11.42 Bust: 50 / 19.69  6-12 Months Length: 31 / 12.20 Bust: 52 / 20.47  12-18 Months Length: 33 / 12.99 Bust: 54 / 21.26  18-24 Months Length: 35 / 13.78 Bust: 56 / 22.05  Specification Material: Polyester  Package Including: 1 * Baby Romper Dress 1 * Headband Note: There may be 1-2 cm deviation in different sizes, locations and stretch of fabrics.  Size chart is for reference only; there may be a little difference with what you get.  Color may be lighter or darker due to the different PC display. Promise If the product has any quality problems, please feel free to contact us, we will help you solve the problem as quickly as possible.