With the Yvolution(R) Neon Street Rollers, you can transform any pair of shoes into skates. These street rollers are designed to be fully adjustable and allow you to quickly transition from walking to rolling. They even have LED light up wheels so that you can light the way no matter where you go. DESIGN: Easily transition from walking to rolling Designed for ages 6+ Maximum user weight of 132 lbs. LED light up wheels for easy visibility Rubber strap for a customizable fit Fully adjustable to fit a range of shoes No batteries required