Material: Cotton & Polyester  Season: Summer  Closure Type: Pullover  Gender: Boys  Collar: O-Neck  Fit: Fits true to size, take your normal size  Size in cm: 3-6 Months - Length:33 Bust:49 Pants Length:22 Waist:36 6-12 Months - Length:35 Bust:51 Pants Length:23.3 Waist:38  12-18 Months - Length:37 Bust:53 Pants Length:24.6 Waist:40  18-24 Months - Length:39 Bust:55 Pants Length:25.9 Waist:42 2-3 Years - Length:42 Bust:58 Pants Length:27.2 Waist:44  Package include: 1 x Baby Boy's Sleeveless Tops with Short  Tip: 1. Please choose your size and age for reference only. 2. Please allow 1-2cm measuring deviation due to manual measurement.  If you have any questions, please feel free to contact us and we will try our best to solve your problems immediately.