Maxsa Innovations 16-LED Reflective Safety Vest: * Be seen early by passing cars to help prevent accidents * Great for joggers, walkers, bikers, construction workers or anyone who is out at night * 16 LED lights (8 on front and 8 on back) flash approximately 150 times per minute * Visible from up to 2,500" (800 meters) * Highly reflective fluorescent material * Flexible lightweight mesh with hook-and-loop closures * 8.5 oz (without batteries installed) * One size fits most * 90-day warranty