Size Reference:S/M/L/XL

Suitable For 2-12  Years Old Children

S–Suitable for 2-3 Years,  Waist 42-46 CM,  Height 90-110 CM,  Weight 9-12KG

M–Suitable for 4-6 Years,  Waist 46-50 CM,  Height 100-120 CM,  Weight 13-17 KG

L–Suitable for 7-9 Years,  Waist 50-54 CM,  Height 110-130 CM,  Weight 18-23 KG

XL-Suitable for 10-12 Years,  Waist 54-60 CM,  Height 120-140 CM,  Weight 24-30 KG

Please measure the waist so that you can choose the correct size. Please allow 1-2cm differs due to manual measurement,thanks.