Before buying, please measure the foot length as shown in the picture, do not place an order directly. Foot length + (0.5~1cm) =shoes inner length. Size 21--(shoes inner length 14cm)--(foot length about 13cm); Size 22--(shoes inner length 14.5cm)--(foot length about 13.5cm); Size 23--(shoes inner length 15cm)--(foot length about 14cm); Size 24--(shoes inner length 15.5cm)--(foot length about 14.5cm); Size 25--(shoes inner length 16cm)--(foot length about 15cm); Size 26--(shoes inner length 16.5cm)--(foot length about 15.5cm); Size 27--(shoes inner length 17cm)--(foot length about 16cm); Size 28--(shoes inner length 17.5cm)--(foot length about 16.5cm); Size 29--(shoes inner length 18cm)--(foot length about 17cm); Size 30--(shoes inner length 18.5cm)--(foot length about 17.5cm); Size 31--(shoes inner length 19cm)--(foot length about 18cm). Notice: 1. Please allow 1-3cm error due to manual measurement. Please make sure you do not mind before you bid. 2. The colors may have different as the difference display, please understand. 3. Other items in the picture are decorations and are not included in the order. 4. For more high-quality products, please enter the store for details.