Highly Reflective Strips are:. * Up to 10 times more reflective than other products. * Become more visible at dusk or after dark by using Highly Reflective Tapes. * Excellent outdoor durability. * Aggressive Adhesive. * No wiring required, simply peel & stick. * Easily washable, stays clean, withstands brushing, dirt, grime & pressure sprayers. * Apply to clean, dry, smooth surface, metal, plastic, fiberglass or wood. 1 pk 1 1/2" x 40" Red/Silver Strip.