Not only do the Brightz Wheel Bike Lights help you stay visible at night, but they also give your ride an awesome look that's sure to catch everyone's attention. Each pack includes one 7-foot string with 20 micro LEDs and mounting ties. Just secure the lights to your wheel and start pedaling to watch the lights spin. The battery life lasts for more than 48 hours, and the clear tubing is waterproof, so you can enjoy the light-up fun in wet weather. Color shipped may vary.