Children's Eastern slippers

Shoe sizes: size 20 --- child's foot length 13.50 cm size 21 --- child's foot length 13.50 cm size 22 --- child's foot length 14 cm size 23 --- child's foot length 15 cm size 24 --- child's foot length 15.50 cm size 25 --- child's foot length 15.50 cm size 26 --- child's foot length 16 cm