We are in the hospitality business. We manufacture our own sleeper sofas. Solid oak frame with poplar in the front, we use a commercial grade fabric that exceeds 500,000 double rub. We use Leggatt and Platts classic square plus mechanism that comes with a 5 year warranty in rental use. We sell Jamison Mattress's which is the preferred mattress of the Marriott, they are double sided and come with a 10 year non pro rated warranty.