Welcome to my shop. We try our best to provide you desirable costume.Please check size chart and please choose according to the actual size of the child,because each kid's body individual differences, age, height, weight and other parameters for reference only,tile measurement size generated by the normal error range is 1-3 cm.Thanks for choosing our products and service. Size: 120: Length 120cm/47.2inch, Chest width 30.0cm/11.8inch, Weight 18-22kg, Age 5-6T; 130: Length 126cm/49.6inch, Chest width 31.5cm/12.4inch, Weight 22-28kg, Age 6-7T;140: Length 132cm/51.9inch, Chest width 33.0cm/12.9inch, Weight 28-36kg, Age 7-8T; 150: Length 138cm/54.3inch, Chest width 34.5cm/13.6inch, Weight 30-40kg, Age 9-10T; 160: Length 144cm/56.7inch, Chest width 36.0cm/14.2inch, Weight 40-48kg, Age 11-12T;ABOUT THE PRODUCT:- The kids bodysuit is made out of polyester.- Invisible vertical zipper runs along the back of the suit. ABOUT THE COLOR: As we all know ,the different computers display colors differently, the color of the actual item may vary slightly from the images.THANK YOU VERY MUCH!!!