Features: Make of PU, very suitable for daily Slalom and Sliding Skating, Enduring and High Elasticity. With luminous characteristics and brake performances. It is an indispensable wheel for roller skating. Suitable for most inline skates, caster boards, and even luggage suitcase. Use the flashing wheels will make you look cool and stylish in night skating, give you more fun. Specifications: Material: PU material, nonslip grinding surface technology Color: White/Blue/Green/Purple/Redness/Dazzlings Color Size: 68mm (2.68inch)/72mm (2.83inch)/76mm (2.99inch)/80mm (3.15inch) Note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 4Pcs Inline Roller Skate Wheels