this nyc-mea listed vinyl strip in 1″ x 4 feet works well as step nosing marking, as wall-installed perimeter outlining, door frame outlining, push bar marker and more. Easily cut to size using scissors. Self-adhesive. Important: install only on wet-cleaned, dust-free, dry, smooth surfaces, preferably using a pressure roller. Nyc-mea listed by new york city department of buildings.