A classic bunk bed design, complete with built-in guard rails and a ladder, has a few pleasant surprises as well. An extendable bottom bunk may be used to double the size of the lower bed. Plus, it comes equipped with a inconspicuous trundle. Combined, these innovations allow you to sleep up to four little ones. That's space efficiency!@Solid Wood, Others@Plank Panel Headboards@Attached Ladder@Trundle Included@Top Guard Rail@Extendable Bottom Bunk@@