PU Leather,these are men size,if you are a woman,please look at the measure of foot length.
Size Tips:We suggest you check our detailed size measurements in the ''Product Description'' part
SWITCH INSTRUCTION: Hidden switch button, 1'' beside the usb outlet, along the inside hem. Push around and you''ll find the ''click.'' Press it to switch on.It starts with steady red 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.
LIGHT MODES:1.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

Technical Details

Product Details

Package Dimensions
Width : 9 inch
Height : 4.2 inch
Length : 10.4 inch

Shipping Weight: 1.7 pounds (View shipping rates and policies)

ASIN : B01EFYDQ5M