The Grip-On Tools LED safety vest features lightweight nylon mesh construction with Velcro® sides, reflective stripes and 16 LED bulbs for maximum visibility and protection. Key Product Specs Size : Large. Color : Orange. Reflective : Yes. Reflective Stripe Color : Yellow with 16 led bulbs. Material : Nylon Mesh. Front Closure Type : Velcro. Additional Product Specs * Lightweight nylon mesh vest with Velcro® sides * Reflective stripes plus 16 LED bulbs for maximum visibility and protection * Use while walking, biking, jogging or working on roadside repairs * Choose from 3 modes: continuous lighting, slow flashing or fast flashing * Requires 2 AA batteries (not included)