Size chart: Size 80: dress Length: 49cm/19.3” Bust :54cm/10.6*2” Suggest Age: 1-2 Years Size 90: dress Length: 52cm/20.5” Bust :56cm/11.0*2” Suggest Age: 2-3 Years Size 100: dress Length: 55cm/21.7” Bust: 58cm/11.4*2” Suggest Age: 3-4 Years Size 110: dress Length: 58cm/22.8” Bust :60cm/11.8*2” Suggest Age: 4-5 Years Size 120: dress Length: 62cm/24.4” Bust :62cm/12.2*2” Suggest Age: 5-6 Years Please kindly refer to your kids actual height and the size chart before buying There is 1-2% difference according to manual measurement. please check the measurement chart carefully before you buy the item. 1 inch = 2.54 cm About Shipment: Standard Shipping: by USPS, 7-15 biz days to arrive. Expedited Shipping: by Fedex,3-5 biz days to arrive.