To add a pop of color to your roller skates, this Flashing Skate Wheel with Bearing is definitely your . The Flashing wheel uses high-brightness LED lamp beads, which are bright in color and in brightness, and can be clearly seen even in dim environments. Features -Color:Blue -Material:Rubber -Size:5.80X5.80X3.20cm/2.28X2.28X1.26in (Wheel) -Size:8.00X4.50X1.70cm/3.14X1.77X0.67in (Wrench) -Note: bearings are built-in. Built-in magnet drives - With a flashing design, your skates will be eye-catching on the street at night. - With design, it is fashionable and easy to use, convenient and practical for you. - Decorate your roller skate or skateboard with these wonderful and simple wheels. Easy to install, highly resistant to wear and not easy to break. - Roller skates wheels adopt rubber material for practical and use. Replace a roller skate or skateboard wheel for an old or broken one. - Work well with both flat roads and ramps. Suitable for beginners and professionals. Package list: 4 x wheels 1 x wrench