Know Before You Buy: 1.Since the data is measured manually, there may be 1-3 cm of error. Please kindly understand. 2.If your kid is stronger or fatter, we recommend choosing a larger size. 3.Please kindly refer to your kids actual height and the size chart before buying/bidding Family Matching Size Size Length Bust Age 2T Length=39CM Bust=58CM For 2 Years Old 3T Length=41CM Bust=62CM For 3 Years Old 4T Length=44CM Bust=66CM For 4 Years Old 5T Length=48CM Bust=70CM For 5 Years Old 6T Length=51CM Bust=74CM For 6 Years Old 7-8T Length=53CM Bust=78CM For 7-8 Years Old 9-10T Length=55CM Bust=82CM For 9-10 Years Old 11-12T Length=58CM Bust=86CM For 11-12 Years Old 13-14T Length=61CM Bust=90CM For 13-14 Years Old