Size measurement as following. Please measure your heel to toe length and choose size according to the following size measurement.
US Size Description
6.25" foot, suggest size: 9.5M US Toddler
6.5" foot, suggest size: 10M US Toddler
6.625" foot, suggest size: 10.5M US Little Kid
6.75" foot, suggest size: 11M US Little Kid
7" foot, suggest size: 11.5M US Little Kid
7.125" foot, suggest size: 12M US Little Kid
7.25" foot, suggest size: 12.5M US Little Kid
7.5" foot, suggest size: 13M US Little Kid
7.625" foot, suggest size: 13.5M US Little Kid
7.75" foot, suggest size: 1M US Little Kid
8" foot, suggest size: 1.5M US Little Kid
8.125" foot, suggest size: 2M US Little Kid
8.25" foot, suggest size: 2.5M US Little Kid
8.5" foot, suggest size: 3M US Little Kid
8.625" foot, suggest size: 3.5M US Big Kid
8.75" foot, suggest size: 4M US Big Kid
9" foot, suggest size: 4.5M US Big Kid
9.125" foot, suggest size: 5M US Big Kid
9.25" foot, suggest size: 5.5M US Big Kid
9.5" foot, suggest size: 6M US Big Kid

Model Number: 161212XZ1063C62Z754

Our LED shoes are equipped with professional packaging, shoes instructions and free charging cable. Besides, excellent after-sales service offers our shoes more assurance.Your kids will love running around in this lightweight sneaker. It features a mesh upper with sporty accents, lace up, easy strap closure, padded collar, soft lining, memory foam insole, and a non-marking outsole.

• PU Leather,Cotton Fabric Lining,Rubber Sole.
• SWITCH INSTRUCTION: Hidden switch by the charging port. Press it to switch on.It starts with steady Blue light.With each press,it changes to another light mode.Press the switch for 9 times to turn the light off.
• CHARGE INSTRUCTION: Easy charge like your cell phone with the attached USB charging cable.Switch on the shoes when received and light up until all power gone.Then charge both shoes for 3 hours.
• 7 Colors LED Lights MODES:1.light on from Dark Blue(steady)-2.green(st')-3.red(st')-4.skyblue(st')-5.yellow(st')-6.purple(st')-7.white(st')-8.twinkle+auto-change mode-9.light off
• NOTE: Please do not use it as running shoes and all other strong sports. It's only suitable for casual walking and everyday use. Or else it will make damage to the light system. And the shoes won't light up again.

PU Leather,Cotton Fabric Lining,Rubber Sole.