Size Chart:❀Size: 3-4 Years (Tag 100)Rompers Length: 70cm/ 27.56 InchWaist*2: 21cm/ 8.26 Inch❀Size: 4-5 Years (Tag 110)Rompers Length: 75cm/ 29.52 InchWaist *2: 22cm/ 8.66 Inch❀Size: 5-6 Years (Tag 120)Rompers Length: 80cm/ 31.49 InchWaist *2: 23cm/ 9.05 Inch❀Size: 6-7 Years (Tag 130)Rompers Length: 85cm/ 33.46 InchWaist *2: 24cm/ 9.45 Inch❀Size:7-8 Years (Tag 140)Rompers Length: 90cm/ 35.43 InchWaist *2: 25cm/ 9.84 Inch❀Size:8-9 Years (Tag 150)Rompers Length: 94cmWaist *2: 26cm❀Size:9-10 Years (Tag 160)Rompers Length: 98cmWaist *2: 27cm❀Size:10-11 Years (Tag 170)Rompers Length: 103cmWaist *2: 28cm❀Size:11-12 Years (Tag 180)Rompers Length: 108cmWaist *2: 28.5cm❀Size:12-13 Years (Tag 190)Rompers Length: 112cmWaist *2: 28.5cm❀Size:13-14 Years (Tag 200)Rompers Length: 116cmWaist *2: 29cm❀Size:14-15 Years (Tag 210)Rompers Length: 120cmWaist *2: 29.5cmThere is 1-2% difference according to manual measurement.please check the measurement chart on the picture carefully before you buy the item.1 inch = 2.54 cmAbout Quality :If you have any dissatisfaction with our baby clothes please feel free to contact us we will try our best to solve the product for you.You also can require a refund or replacement for any dissatisfaction product.About Shipment:Standard Shipping: by USPS 7-15 biz days to arrive.Expedited Shipping: by Fedex3-5 biz days to arrive.