BININBOX Lover's Mens Womens Night Light USB Recharging Color Changed Sneakers PU Leather Rubber sole Please find the size measurement in the descriptions,then you can find your own size!Thanks Upper Material:High quality PU leather(The upper's stars are made by fluorescent material,would be lighted in the dark place) Shoes come with hidden switch near the USB charging port. Press switch to light up and colors change with switch press.(light on from red(steady)-2.green(st') -3.blue(st')-4.yellow(st')-5.skyblue(st')-6.purple(st')-7.white(st') -8.auto-change mode-9.light off) Easy charging with USB cable to computer or power bank for 3hours and it can offer 6-8 hours glow time Do not play sports with these shoes;Do not wash the shoes,the only thing you can do is wiping with a cloth;the insoles can be disassembled to wash