Side panels in solid aromatic red cedar. A panel supports the open end of a hanging kit, shelf, or closet rod kit where there is no wall. These are the vertical supports found on the cubby units. Panels arrive in two 42 inch sections that join to make an 84 inch panel. This is our standard 14.5 inch depth. If you are building around our 12.5 inch system, select the 12.5 inch version instead. The two depths are not compatible and do not connect to each other. Open panels allow better air circulation but are not designed to be cut down. If you need to shorten the panel for a low or sloped ceiling, select our Deluxe version. Parts shown in gray in the images are for reference only. They show how this unit connects to a neighboring unit and are sold separately. Made in the USA. Milled in Kentucky from locally sourced aromatic red cedar. More detailed information is in the FAQ below.