You are clear for takeoff! fire up your Afterburner and get your Spark on with the high-flying jetts by Razor. Just step up, strap down and take off with these easily adjustable, always awesome heel wheels to transform your ordinary sneakers into the hottest way to roll. Features heavy-duty polymer "quick click" frame with hook and loop strap, easily removable and replaceable Spark pads, and proprietary 50 mm urethane wheels and sealed bearings wheels. Fits all shoes sizes U.S. Youth 12 through adult 12. Razor jetts are ptnt pending. Includes both Spark pads and skid pads. Recommended for ages 6 and up (8 and older with sparks) and will support a rider up to 176 pounds. The buyer and rider of the Razor jetts are responsible for knowing and obeying all local, state and federal regulations regarding the riding and use of all Razor products.