They were made of plastic.
The sandals were set on a low platform. FR1 Children's Sandals Flash Grendene Kids.27-17/28/29-17,5/30-18,5/31-19/32-19,5/33-20,5/34/35-21,5/36-22,5/37-23cm Children's sandals are extremely flexible and comfortable during use.Unusual motifs with Justice League characters have been placed on the entire footwear.