The inline skates Features PU wheels and ABEC-7 bearing for smooth rolling. The wheels are luminous automatically when you start skating, bringing much fun, great gift for those who love skating. Features: Abrasion-resistant PU wheels and ABEC-7 bearing for quiet, smooth rolling on the ground. 8 illuminating wheels light up automatically when you start skating, no battery required. Aluminum alloy frame provides safe ankle support and increases stability. Efficient brake on right skate ensures safety. Push button to adjust the boot length: Small fits shoe sizes 26-32; Medium fit shoe sizes 32-37; Large fit shoe sizes 38-41. Specifications: Material: PVC + Mesh + Aluminum alloy Recommended Age: 3+ years Color: Blue / Golden / Pink / Red (optional) Size: S / M / L (optional) Package Size: Approx. 34.5 * 11 * 32.5cm / 13.6 * 4.3 * 12.8in Package Weight: Approx. 2kg / 4.4lb Package List: 1 * Pair of Inline Skates