Bininbox Lovers Unisex USB Charging LED 7 Colors Lights Shoes Flashing Sneaker Comfortable cotton Good quality leather-and-rubber Rubber sole Colorful and safe. Also Easy notice: Please find the size measurement in the descriptions,then you can find your own size!Thanks Also Easy notice: Material: High quality PU leather;rubber sole Also Easy notice: Shoes come with hidden switch near the USB charging port. Press switch to light up and colors change with switch press