Ohuhu Bicycle Gloves / Turn Signal Gloves Makes Night Riding Safe - increases your visibility and communicates your turning intentions to other vehicles on the road Easy & Simple to Use - All you need to do is to stretch out your arm and thumb up, let the turn signal gloves blink for a while and then turn Smart Power Saving System - battery included (the LED lights will blink for 200 hours, which allows you to take about 400~503 thousand turns) Size: XL, which is crafted with high elastic and breathable material (80% Micro Fiber + 20% Cotton), soft and comfortable, skid proof and shock absorption Serves the same purpose for walking, running, hiking, roller-skating out at night