(continued)... Sturdy and durable plastic construction. Manufactured by Jalite in the UK. Glow in the dark, photoluminescent coating. Solid white background and bright yellow and black imprint. Graphic inside a safety triangle depicts an individual using their fingers to try and reduce the amount of noise. Below the bold text reads, “Warning high sound levels” Use double-sided tape, sticky pads or other standard adhesive to mount to most wall surfaces. Choose from two sizes. 200mm x 150mm or 100mm x 300mm.