Crafted out of double-wall nylon strap material that is double-stitched for added strength. This Barrier Strap features a universal design that measures 45in.L x 3-1/2in.W, which allows it to be used on almost any style doorway. Strap incorporates a magnetic inlay on each side (inside the double-stitched nylon pull tab) for quick application to metal door frames, hinges or door strikes. The unit is UV resistant for indoor/outdoor use and simply rolls up for easy and compact storage anywhere. This strap's text reads, "CLOSED FOR MAINTENANCE" and features black caution stripes to provide long-range visibility.