Accuform Floor Sign, Series SlipGard, Header NO Header, Legend ARROW, NonSlip Adhesive LumiGlow, 17 in Height Mark bold graphics and messages on your floors and pathways with nonslip floor signs SelfAdhesive glowinthedark signs are 020 in thick, subsurface printed, and Over laminated by a protective layer This layer is a nonslip vinyl surface that is pebbletextured for added durability to withstand heavy pedestrian traffic Signs have a strong, permanent Acrylic Adhesive back with peeloff liner which adheres firmly to smooth, clean, dry surfaces