Mission Lower Bunk Bed, Queen, By Crate Designs. 4728A great starter bed for your child. 100% solid wood and available in twin, full and queen sizes. Add the upper bed when your child is ready for more fun or you need more beds! Options include a taller version to allow 8 more headroom under the bed for comfortable seating when you add the upper bed. Add optional drawers or a trundle bed for maximum use of your floor space. Dimensions: Queen: 64" wide x 84" deep x 36" high. SKU: 4728 (Tall 44" high.