Backpack Wrap - Hi-viz with Reflective Backpack Cover Made in the USA Features 3M brand Reflective Material. From typical car headlights, it can be seen at greater than 2500 ft. Hi Viz Lime ANSI Approved material. Micromesh for reduced wind drag. Rigid Nylon Mesh Base layer. For increased stability and reduced drag while cruising at higher speeds. Designed to fit most bags the Adjustable Straps are reinforced with Heavy Duty Velcro.