What’s more, our 8.5 x11 acrylic sign holders and 11×17 acrylic sign holders are incredibly easy to use and clean, since they have thumb notches at the top for access to the papers inside and our unique cleaning slots at the bottom to prevent the buildup of debris and dust.At The WallPocket Company, our PlexiPocket™ acrylic sign holders are made from highly durable, impact-, fade-, and crack-resistant material designed to display your signs for years to come. In fact, we stand by the workmanship and quality materials of our plexiglass sign holders with a 100 percent satisfaction guarantee on all standard sign pockets. Also, for even more options to suit your tastes and the décor of your office, church, school, or other location, we offer the solid oak or walnut WoodPocket™ for a classical aesthetic and the metallic AlumaPocket™ in brushed nickel or gold for a more modern feel, all with our durable acrylic pockets for your signage.