Model: ALL FOR FUN semi-soft alum adjustable inline skates Color: Red&white&silver Material: 1) Shoe shells: PP/PE 2) High quality ventilation coolmax padded line 3) Chassis: Aluminum 4) Bearing: ABEC-7 Chrome 5) Wheel: PU cast 82A SS: 64 *24mm S: 70*24mm M: 72*24mm L: 76*24mm Size: SS(28-31#) S(32-35#) M(36-39#) L(40-43#)