Turn your regular shoes into roller skates in seconds; Say goodbye to bulky traditional roller skates. Simply clip on Neon Street Rollers, adjust them to size, and off you go. The wheels feature a special glow technology that makes them light up when you move ; no batteries required; Fully adjustable to fit your favourite pair of shoes. LED light-up wheels no batteries required; Easy to use: adjust, clip on and go; Secure rubber strap for safety and performance. Skate accessories. Shoe size: all. D14cm. Weight 0.7kg. Maximum user weight: 60kg. For ages 6 years and over. WARNING(S): Only for domestic use. To be used under the direct supervision of an adult. Protective equipment (helmet, knee pads and elbow pads) should be worn, not to be used in traffic.