The transparent acrylic sign holder is manufactured from higher grade acrylic and it has large energy and transparency.It will never darken under solid light or Solar and has fantastic balance.this framed sign holder is great for dining places, trade demonstrates, reception locations, faculties, weddings, exhibitions and much more. 8.5"x eleven" https://digitalasset.us-lax-1.linodeobjects.com/DisplayHolders/Custom-Acrylic-Signs.html