High-quality materials - these inline wheels are made of highly elastic and wear-resistant PU, which can better absorb vibrations and shocks, and are not easy to break. It also provides excellent grip, so you can skate safely without worrying about slipping.Application - These roller skates are very suitable for beginners and can be easily and smoothly used indoors or outdoors. Suitable for daily training, entertainment, skating competition, artistic skating.Highly elastic material makes movement easy and silent. Very suitable for daily indoor training, casual skating, extremely comfortable and practical.Size: 70x24mmMaterial: PUColor: BlackPackage Contents: 4 x Inline Skates WheelsOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.