Hướng dẫn chọn size:Size 3-6M ( 6-8 KG) Size 6-9M( 8 -9.5KG) Size 9-12M( 9.5 -11KG) Size 12-18M ( 11-12.5KG Size 18-24M ( 12.5-13.5KG)Size 24-36M ( 13.5-15KG)