Suggestion:buy a size larger than the one acctually need.if your child is above average you should buy two size bigger. This Pajama is cute and comfortable. Various Design for choice. Both top and bottom are made of soft cotton. Sleepwear or nightgown party wear. These Pajamas are snugly fitted pajamas, When buying please consider that because it is snug fitting if your child is above average you should buy a size bigger. Size Chart 2T(1-2Years) Shirt Length: 36cm,Bust 24*2cm,Pants Length:27cm. Waist:19*2cm 3T(2-3Years) Shirt Length: 38cm,Bust 25*2cm,Pants Length:28cm. Waist:20*2cm 4T(3-4Years) Shirt Length: 42cm,Bust 26*2cm,Pants Length:30cm. Waist:21*2cm 5T(4-5Years) Shirt Length: 44cm,Bust 28*2cm,Pants Length:31cm. Waist:22*2cm 6T(5-6Years) Shirt Length: 46cm,Bust 30*2cm,Pants Length:32cm. Waist:23*2cm 7T(6-7Years) Shirt Length: 48cm,Bust 31*2cm,Pants Length:33cm. Waist:24*2cm Note: Pls. allow 1-3 cm size differences due to manual measurement. Color of the actual item may be a bit difference as what shows in the listing due to different computer display. Hope you can understand and accept this. If there are any unpleasant feeling during the transaction,pls.contact us and offer us a chance to work out at a happy ending.