Cool fashion flashing 7 colors flashing lights, adding flash light to the sole,more cool and stylish when walking.Name: Deformed Roller SkatesWheel Type: Double RowWheel Material: PUBearing Weight: 100kgPacking List: 1* Deformed Roller Skates1* Installation KitSize/Foot Length33EU - 4.5US - 4UK / 22cm-- 8.66 inches34EU - 5.5US - 4.5UK / 22.7cm--8.93 inches35EU - 6US - 5UK / 23.3cm--9.17 inches36EU - 6.5US - 6UK / 24cm--9.44 inches37EU - 7.5US - 6.5UK/ 24.7cm--9.72 inches38EU - 8US - 7UK/ 25.3cm--9.96 inches39EU - 8.5US - 8UK/ 26cm--10.23 inches40EU - 9US - 8.5UK/ 26.7cm--10.51 inches41EU - 10US - 9UK/ 27.3cm--10.74 inches42EU - 10.5US - 10UK / 28cm--11.02 inchesSwitch Mode:Click the button to change the color. 7 static colors modes are red, green, blue, yellow, cyan, purple, white and 4 dynamic colors modes. Safety Button: 1. There is an invisible safety button on the back of the shoe. Press the button and the wheel pops out and you can slide; 2. Press and hold the button again, step the wheel to the ground to retract the wheel, and then turn the safety button to lock it for safety.Shoe Care Tips:1. Please recharge for the first-time use.2. Please stay away from little kids when charging.3. Please do not immerse it in water.you could use the soft cloth to wipe and clean it.