This clear acrylic sign holder is sold in sets of 10 units. The wall mount poster frame displays an 8.5x11 inch print in portrait orientation. This clear acrylic sign holder easily attaches to any wall or flat surface by drilling screws through the 2 openings. The wall mount poster frame has a fold over design, which puts the opening of the display at the front. This allows users to instantly update a presentation without removing the fixture from its position. The wall mount sign holder presents an entire 8.5 x 11 inch sheet without blocking any edges. The clear acrylic frame is perfect for use in offices or throughout office buildings, where signage is often updated or modified.