Add instant high-visibility safety to clothes, jackets, bikes, vehicles/trailers and more * Two 1"-wide x 18" length stripes; multi-layer vinyl adds texture/relief for extra light refraction * Surface captures light from car headlights, etc. and glows visible to several hundred feet * Strong weatherproof adhesive sticks fast to fabric, metal, wood - just peel & stick * Increase exposure while biking, running, walking or working after dark; Fluorescent Lime Yellow