Luminous flashing roller skate wheels will give you great visual experience, which performs great on wood, concrete and indoor tile, etc. surfaces. Made of premium material, it is durable and suitable for double-row roller skates, skateboard. Using high-quality bearings, no jamming, fast rotation speed, and its hub inner buckle design making high-speed rotation more safer. It is perfectly suitable for daily practice, recreational, artistic skating and hockey skating, which is extremely handy and practical. Item Name: Skating Wheels Material: Faux Leather Quantity: 4Pcs Features: Easy to Install, Durable, LED Light Flashing Size: 5.8cm x 5.8cm x 3.2cm/2.28" x 2.28" x 1.26" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 4 x Skating Wheels