Product Details This set includes 4 light-up skateboard wheels that glow at night Each wheel comes with 2 bearings, 1 magnetic core. Suitable for playing park roller skating asphalt in various places, suitable for roller skates and skateboards. Women and girls can also use it at home and outdoors. The accessories are made of polyurethane polymer material, which is non-slip and wear-resistant, with good pressure, four-wheel PU shock absorption, long board indoor straight sliding without noise, smooth and fast rotation speed, and more durable luminous quadrilateral. Luminous principle: This product does not contain batteries, and the luminous effect is achieved by the high-speed rotation of the magnetic core. Size: 65*43 Weight: 140g Material: PU Color: Pink/Blue/Grey Quantity: 4pcs