Acrylic sheet, also known as Perspex or Plexiglass is a clear plastic which is used as a replacement for glass in many situations. Acrylic is also more transparent than glass. Be on the Safe Side with PLEXIGLAS Sunlight contains a large proportion of harmful UV radiation. Everyone who has ever suffered from sunburn knows that. UV radiation can cause dramatic changes in most plastics. They may turn yellow or brown, and become unsightly. When new, transparent plastics all look more or less the same. The nasty surprise often comes a few years later, as shown above. Products that contain natural UV protection throughout the material are best equipped. PLEXIGLAS with the special NATURALLY UV-STABLE technology has such natural protection. PLEXIGLAS does not yellow visibly We guarantee that PLEXIGLAS sheets will show no visible yellowing for 30 years. PLEXIGLAS retains high level of transparency We guarantee that PLEXIGLAS sheets in Clear grade will retain a high level of light transmission for 30 years. PLEXIGLAS retains its combustion behaviour We guarantee that PLEXIGLAS will retain its fire behavior even after 30 years of weathering. PLEXIGLAS Guarantees Apart from the 30-year guarantee, we provide a number of other guarantees that refer to the special properties of various grades. Please supply wording required via Amazon contact seller link or email info@giftonlineshop.co.uk. Or leave your "HOUSE NUMBER ,STREET NAME OR HOUSE NAME" that print onto your sign in Gift Message on checkout. (click the Gift Option Box)