HONETECH TM Hot! Women Men's 16 LED Light Up Cycling Traffic Outdoor Night Safety Warning Vest With Reflective Stripes fit up to 40" Waist 16 LED Light Up Cycling Traffic Outdoor Night Safety Warning Vest With Reflective Stripes Light weight mesh nylon LED safety vest 3 different modes of lighting, continuous, slow flashing or rapid flashing Uses 2 AA batteries, not included. Great for road side construction workers, tow truck drivers, traffic directors and parking attendant