Constructed of solid pine wood+MDF, this twin over full bunk bed features a sturdy high quality solid wood construction for durability and high load capacity, ensuring long time use.This bunk bed features one twin size upper bunk and one full size bottom bunk for accommodating any overnight sleepers. It can also be divided into two individual beds for even more convenience, depending on how you want to organize your space. No spring box needed.Utilizing every space within the bed’s structure, a fully assembled three-drawers and built-in desk are built into the side,which not only provides you with a place to work or study, but also provides a large storage space.