OLIVIO&CO eyewear accessories are made of skin friendly silicone material, which is flexible, stretchable, and durable, making them perfect for children to use on adventures. Integrated hanging chain, simple and beautiful. 10 detachable creative badges that children can freely combine, full of fun. fashionable design High-quality silicone Flexible and stretchable Durable One-piece molding Variety of Stamps Material: Silicone