Features Specifications:Sell Roller Skates, Flashing Wheels, Street Gliders, Small Wheel Pulleys, Street Glides  Roller skate Flashing skate wheel features as following: 1. Easily portable due to small size and light weight2. Easy to learn how to use: skate freely and turns flexibly 3. A flashing function while skating is provided by a magnetic-generating device 4. With an adjusting design, it can be easy and fast to install and take-down on any size5. With a safety consideration, a rear brake is designed to stop skating 6. A safety rear-button is designed to balance the skater, and easily control braking 7. Multi-functional enjoyment, such as skating, circumgyrating, and so on 8. High-quality materials are adopted to produce this product Packing:40pcs/ctn Carton dimensions: 52 x 40 x 45cmN.W.: 37kgG.W.: 39kgConveyance:Qty/20' FCL: 12,500pcsQty/40' FCL: 24,000pcsQty/40' HQ: 28,000pcs