The Columbia Bunk Bed features a classic Mission style design with subtle curves and solid post construction. The Columbia boasts a decorative design for your children's bedroom. Available in twin-over-twin, twin over full, twin over futon and full over full. Complete with railings on the top bunk, the sturdy Columbia Bunk Bed is constructed of solid hardwood. Add optional under-bed storage drawers or an optional trundle unit to make the most of under-bed space.