GM Doll shoes Size Chart: 35=22.5cm. 36=23cm 37=23.5cm. 38=24cm 39=24.5cm. 40= 25cm Step on the white paper and use a pen to point out the front and back two points. The distance between the two points is the correct foot length. If the instep is high and the foot is wide and fat, it is recommended to choose one size larger. If the instep is flat, it is recommended to choose the side One size smaller