4 SIZES ADJUSTABLE - Total 4 adjust segments, the shoe adapts to kids’ fast growing feet and always makes sure a comfortable and exact fit. Simply push a button to adjust to a comfortable size. Inner liner also size adjustable to provide ultimate comfort and fit. 2 IN 1 INLINE & QUAD MODE - Enjoy two types of skates with one purchase! A quick bolt system to switch easily between inline skates and quad skates. Great beginner skates. Beginners can easily glide on quad skates and advance to inline skates for further challenges. ILLUMINATING WHEELS - Both Inline Skates and Quad Skates have light up wheels that will illuminate at night and make our kids distinctive. Kids love them and gain confidence! Hassle free for parents too - NO BATTERIES NEEDED! QUALITY & PERFORMANCE – Enjoy a smooth, quiet and confident ride on our polyurethane wheels that reduces shock and noises while providing plenty of grip while skating. Wooden floors friendly. Well-built frame provides safe ankle support and the inner liner is breathable and machine washable. Safeguard children’s safety, comfort and stability. KIDS FRIENDLY BUCKLE SYSTEM – Include lever buckles that are easy for kids to get in and out of the skate quickly and all by themselves. Great condition