Each Perky™ pocket is designed with a patented curve that keeps literature upright and visible. The # 184 Single Pocket is designed to provide the top and bottom pieces in combination with the # 284-Add On pockets providing the middle pieces of each display row. The pockets snap together in an easy, modular design system that allows maximum flexibility when building rows of custom wall displays. Each pocket can hold up to a « ream of either letter or legal sized literature. The # 284 Add -On is 10" tall and 9" wide. The pockets have a lightly textured finish. We injection mold the pockets out of a high impact resistant polystyrene, in Black, Grey and Putty colors.