SDSPEED Kids Roller Skate Shoes with Single Wheel Shoes Sport Sneaker LED

Material: PU leather rubber sole. Note: About size: Our size is converted to USA standard according to Amazon size chart. You can choose according to the following suggestions. If your kids have wide and thick feet, we suggest you choose one size larger for him/her. Size suggestions: Size measurement as following. SIZE SUGGESTIONS: Please measure heel to toe length and choose size according to followings. 7(inch) foot; size: 12M Little Kid/ 7.3" foot; size: 13M / 7.5" foot; size: 1M/ 8" foot; size: 1.5M/ 8.2" foot; size: 2.5M / 8.5" foot; size: 3.5M/ 8.7" foot; size: 4M/ 9" foot; size: 5M/ 9.5" foot; size: 6M/ 9.75" foot; size: 7M. PLEASE PURCHASE BIGGER SIZE IS BETTER THAN SMALL SIZE IF YOU ARE NOT SURE.When you want to glide, press the button at heel, the roller will pop up automatically. Roller use mute bearing, make gliding more quiet and smoothly. If you just use this for normal sports shoes, you can hide roller by pressing button at heel. Hide the roller by pressing the button, at the same time push the roller back and release the button to lock, and then slide the black window back. In sum, you can pop up and hide roller by a button at heel. High-quality material, breathable, wear-resistant rubber soles, colorful LED light, which is the best gift for lovers and kids for birthday, performances, Halloween, Thanksgiving and Christmas Day and other celebration. Notice: Shoes can be cleaned by soft fabric, BUT DO NOT WASH AND STEP INTO WATER AND DIRT. Purchase bigger size is better than small size if you are not sure. LED shoes Battery Instruction: The battery can not be replaced, battery can use about 3 month.