These are likely equivalent to a 20-22cm size. My daughter, who currently wears 23cm, could also wear them. Purchased last year at Costco. They have been stored unused. They have been tried on to confirm the size. Elsa and Anna fleece room shoes with non-slip soles. - Design: Features Elsa and Anna characters - Color: Combination of light blue and white - Sole: Non-slip sole - Material: Soft fleece material - Size: Children's size - Style: Room shoes Thank you for looking.