Our Commercial Grade Tall Twin over Twin bunk is two beds built one over the top of the other. Designed to withstand daily use by adults, it is also perfect for children of all ages. It is 70-1/2″ (measured at the top of the corner post), and 81″ long (measured from the end of the headboard to the end of the footboard. It measures 42″ in depth (out from the wall.) The footboard boasts a rock-solid built-in ladder with 1-1/2 thick X 3-1/2″ ladder rungs structured to provide support and stability for climbing. Options pictured are bookshelves with built-in lighting. If interested in storage drawers or a trundle, call for a quote.