Before applying safety markings, please make sure the substrate is clean. In order to increase pressure and eliminate air bubbles trapped in the film, you may want to use a squeegee.For cleaning safety markings, please use lukewarm water and common detergent only. Avoid any abrasive or aggressive cleaning agents as well as brushes with hard bristles since they can damage the film surface.For more information, please refer to the detailed application and care instructions in the respective information sheet of each product.