Light-weight yet incredibly strong, this shatter-resistant materials gained’t crack even though it hits the ground. Proportions: 8.5 x 11. 8.5x 11 Obvious Wall Mount Aspect-Loading Acrylic Sign Holders twelve Pack. Just insert the paper in the back again amongst the top and bottom flaps to maintain it safe and protected. https://blissdriveteam.github.io/DisplayHolders/Custom-Acrylic-Signs.html