PLEASE NOTE: 1.When you are not wearing roller skates, you should clean up the parts and put them in a cool, dry place that is not exposed to direct sunlight to avoid rusty screws or bearings, discoloration of wheels, and leather cracks. 2.During transportation, the wheels of the roller skates may become loose.If your skates do not flash with the flashing wheels, please tighten the skate wheels.