The PVC hanging belt shines brightly from both sides, can let others see you from a long distance.Best Sports accessory for runners and any outdoor activity such as running, cycling, walking, jogging, camping, motorcycling, dog walking, rollerblading, hitchhiking, work on the construction site, traffic safety, etc. Highly reflective at night and highly visible in the day strongly enhancing your safety. Waterproof and lightweight, with high-light LED, enhancing the visibility. Can be used as armband to be looped around an arm or leg, attached on the bicycle, scooter as road safety sign, or hang on the backpack when hiking or on tents when camping. 3 lighting modes: Slow flashing, fast flashing and steady on.