This product description includes information about the Full/Double size mattress and frame material - a combination of solid and manufactured wood. It also mentions that this bed does not require a box spring and includes 10 slats for support. With a weight capacity of 600 lbs, this bed also comes with legs, a headboard, and additional storage options such as drawers, shelves, and a cabinet. In total, there are 4 storage drawers included. Please note that the mattress is not included with this bed.