Material: Aluminum alloy+high-strength PP Color: White/Black/Purple Suitable for: All ages people Integrated bracket and high-strength PP shell provide strong support and all-round protection. Breathable honeycomb fabric, skin friendly and sweat absorbent, providing you with a more comfortable sliding experience. Detachable inner liner, easy to clean, reduces odor, and always maintains freshness and cleanliness. Triple locking structure, double locking buckles and thickened shoelaces make your sliding more stable and smooth. Swap pulleys and experience two sliding modes, from beginner to practice advanced competitive movements. 4 adjustable sizes, parents no longer have to worry about changing roller skates at any time, saving expenses. Eight fully illuminated rubber wheels enhance visual appeal and provide safety in the dark