Thermoplastic Elastomers sole. Size : EU34. These sports skates shoes with great color look ,good-quality cloth,which is give to kid's surprise gift or the best choice for any occasion you want to be noticed at. Two wheels-feel like inline skates.the first wheel can be removel, as a single wheels shoes.You can hide the back wheel by pressing button at heels,it will becomes a normal sport shoes. Multi-Led model,colorful-Can charge with USB clabe.Usually charge 2-4 hour the led can work 6-8 hour. Multifunctional: easy to use, the wheels can be stowed, you can choose to release the wheels when you need to slide, and immediately retract them when you don't need them (single-wheel mode). The release and retraction switch is at the heel of the shoe. Benefits of use: Shiny and beautiful shoes can bring a happy mood to the child, learning to slide can exercise the child's ability to master balance, and promote the child's physical development and psychological growth. Package included : 1 Pair Sports Shoes For Kid's(Unisex).