If you are looking for a professional and affordable roller skate wheel, then your search is over here. Thats because our product can meet your needs. Adopted of premium material, it is practical and durable for long time use. Designed specifically for optimal performance on rough and uneven surfaces such as concrete and asphalt, which helps to improve the comfort of your skating.Features- Color: Red.- Material: PU.- Size: 5.80X5.80X3.20cm/2.28X2.28X1.26 inch.- Light color: Red.- Adopted of premium PU material, it is practical and durable.- Luminous flashing roller skate wheels will give you a great visual experience. - Reduce friction and maximize efficiency on various types of surfaces. These roller skate wheels work for casual indoor skating or competitive skating.- Suitable for double-row roller skates. Performs well on wood, concrete, tile and other surfaces. - Perfectly great for daily practice, recreational, artistic skating, etc. Also, a great gift for your kids or friends who like skating. Packing list: 4 x luminous wheels