Genius is in the details, and our Alton Sleeper Sofa has a special genius for relaxation: A built-in queen-size bed. Padded, rolled arms and extra-thick cushions also give Alton an indulgent feel. Underneath, a hardwood frame provides durability and integrity. As for the nailhead trim? Well, there are times when even geniuses have to show off.Details & Dimensions: Color: Mahogany. Sofa: 82"W x 36.5"D x 36"H. Mattress: 60"W x 4"D x 72"H. Poplar wood, polyester, polystyrene foam, metal. Handcrafted. Made in the USA. Queen sized, 299 count coil spring mattress. Minimal Assembly.