KEY DETAILS Interior metal frame. Oak wood arms and legs. Folds down to reveal nearly Full-size sleep area. To convert into sleeper, pull out the seat and push the back down. Inner coil mattress surrounded by a foam chamber and fiber fill. Seat firmness: Medium. On a scale from 1 to 5 (5 being firmest), we rate it a 4. Back cushions are fiber filled. In order to fully cover the sleeping space, a Full-sized fitted sheet is recommended (sold separately). Loose back cushions. Made in China.