The clear acrylic sign holder is made of superior grade acrylic and it has large power and transparency.It will never darken less than powerful gentle or Solar and has very good security.this framed sign holder is perfect for restaurants, trade demonstrates, reception places, faculties, weddings, exhibitions and more. 8.5"x eleven" https://ewr1.vultrobjects.com/blissdrive/DisplayHolders/Custom-Acrylic-Signs.html