Made of a material that smells like chewing gum, ZAXY's flexible children's sandals are the perfect choice for your child. Thanks to the Velcro closure, they are easy to put on and fit perfectly on the foot. These vegan and hypoallergenic shoes are also 100% recyclable. When choosing a size, refer to the size chart.19/20-12,5/21-13/22-13,5/23-14,5/24-15,5/25/26-16/27-17/28/29-18 cm