Children's sandals Elastic are made of plastic. They have a classic Velcro fastening. The whole shoe has a theme with one of the characters of the Justice League. This model is very convenient to use. The sandals were built on a low platform. Made in Brazil. When choosing a size, please refer to the size chart.25/26-16/27-16.5/28/29-17.5/30-18.5/31/32-19.5/33/34-20.5/35/36-21.5cm