1. Upper: Mesh
2. Sole: rubber
3. Dry mesh inside, soft and breathable, comfortable to wear
4. Soft rubber sole, easy to bend, strong grip and wear-resistant
5. Adhesive strap design, easy to put on and take off
6. Cool soles with colorful lights, children like it more
7. Battery: 889 button battery x 1 (delivered with battery)
8. Size: 21-36
