Mattress not included. Accommodates a full size futon mattress. Arms for perfect and easy alternative to pull-out couch. Arms storage space permits to keep favorite books and magazines neatly organized. Warranty: One year. Arms made from wood. Frame made from metal. 81 in. L x 38 in. W x 33 in. H (92 lbs.). Unlike the couch, this futon flaps down in a matter of seconds to turn into a comfortable full sized bed. This futon allows you to save floor space during the day and sleep peacefully at night.