Features: Material: The safety reflective vest is made of premium material, which is wear-resistant and durable for long-term use. NIGHT SPORTS SAFETY: Reflective running vests combine LED flashing lights and reflective gear so drivers can easily see you and have time to reacting. Long-distance reflective effect: ensuring your safety even in harsh environments. Reflective vests also keep you safe when doing outdoor activities in low-light conditions. Lightweight Design: Crafted from lightweight materials for eases of movement and comfort during exercise. WIDE APPLICATION: The reflective running vest fits the body comfortably without moving, shaking, bouncing, riding or rubbing. Keep you safe while running, biking, walking, motorcycle riding and more. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Size: As picture show Battery: 3V button battery Material: mesh