All wood twin bunk bed. It has 5 steps with each step having a drawer for storage and slip grip stickers on each step. On the other side is more storage space with 6 drawers and a cabinet door with 2 shelves inside. Mattresses are not included. It has top bed rails of course and the bottom part can be used for another bed or loft like area. It also has 2 small pull out desks for homework, reading/writing or whatever you need to fit into your classroom/ craft needs.those are optional. Unfortunately I don’t know the exact measurements of the bed but I have no problem going out and measuring if needed.