Accuform Diamond Floor Sign, Series SlipGard, NO Header, TextSymbol Legend, EYE PROTECTION REQUIRED Legend, NonSlip Adhesive Vinyl, 17 in Height, Black on Yellow LegendBackground Mark bold graphics and messages on your floors and pathways with nonslip floor signs SelfAdhesive vinyl 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 SlipGard Floor Signs have a strong, permanent Acrylic Adhesive back with peeloff liner which adheres firmly to smooth, clean, dry surfaces