Made of high-quality elastic materials, this reflective LED tank top is skin friendly and comfortable. It features 8 lights and 3 modes, including constant light, fast flashing, and slow flashing. The tank top is widely used for running, cycling, walking dogs, and riding motorcycles, and is visible from 200 meters away. It has adjustable buckles and elastic straps, making it easy to wear on T-shirts, jackets, or other clothing in any season.