(continued)... directions. Constructed of sturdy plastic. Red and black imprint on a solid white background. Manufactured by Jalite in the United Kingdom. Photoluminescent, glow-in-the-dark coating for high visibility even in darkness. Your choice of 150mm x 150mm or 200mm x 200mm sizes. Adheres to most wall surfaces easily using ‘No-nails’, double-sided tape, sticky pads or other standard adhesive.