The inline skates with illuminating wheels can bring much fun for your kids. Features: Abrasion-resistant PU wheels and ABEC-7 bearing for quiet, smooth rolling on the ground. 8 wheels light up automatically when you start skating, no battery required. Push button to adjust the size to keep these skates in use for more than just a season. Small fits shoe sizes 28-33; Medium fit shoe sizes 34-37; Large fit shoe sizes 38-41. Efficient brake on right skate ensures safety. Comes with 3 training cones, a bolt, and 2 hex wrenches. Note: The training cones may be sent in random colors. Specifications: Material: PP + PU + Aluminum alloy Color: Black / Blue / Pink (optional) Size: S / M / L (optional) S for 28-33; M for 34-37; L for 38-41 Wheel Diameter: 70mm / 2.8in Package Size: 41 * 34 * 5cm / 16.1 * 13.4 * 2.0in Package Weight: 1.8kg - 2.3kg / 4lb - 5.1lb Package List: 1 * Pair of Inline Skates 3 * Cone 1 * Bolt 2 * Hex Wrench