【4-Size Adjustable Inline Skates】 Featured with 4 size adjustable design by simply pressing a button and puling on skates toe, Gonex children roller skates will be exact fit even though their feet are growing up. Just enjoy skating and have fun for years! By referring to the size chart pictures, you can choose the proper size of roller skates for kids..【Light Up Skates】 How cool it will be to flash 8 illuminating wheels while skating! The lights are powered by wheels rolling and never need replacement batteries! Please check and tight Roller Blades Skates wheels by Allen wrench attached before your First Usage. We suggest you checking and tightening the skates wheels regularly to prevent the wheels falling off..【Durable Blades Roller】 Frame of inline roller skates is made from reinforced aluminium alloy, smooth 82A PU outdoor skate wheels, high-speed mute ABEC-7 bearings. Single-foot brake could provide better balance and speed control in anytime anywhere..【Triple Protection System】 Included safety buckle, durable straps and stable shoelaces to provide ankle support and safe protection while enjoying the coolest and smooth skating. Besides, breathable liner will also protect you along the way and improve the skating experience..【Ideal Gift】 Not only an ideal kids roller skates gift for birthdays, holidays, special events, but also an excellent gift for young people to have fun, excise, build bones and enhance immunity.