It is a pocket type, so you can simply insert a photo to set it. It has 3 sides that can hold 3 large photos in a vertical position. Made of paper, light weight, can be displayed as is. This product is for a large size (3.5 x 5.0 inches (89 x 127 mm)).Not for 2L size (5.0 x 7.0 inches (127 x 178 mm)).