Wooden Futon Mission Style Maple Light Wood or Dark Espresso Wood FRAME ONLY (Espresso) Mission Style Solid Hardwood Full Size Futon Frame. The hardwood used in this frame is plantation grown. FRAME DIMENSIONS: 82 inches long x 37 inches deep x 33 inches high. Use your existing mattress if it measures 75 inches long x 54 inches wide and whatever thickness you already have.