Kiln-dried solid wood frame. Plastic shadowline support legs in a Black finish. High-gauge sinuous spring cushion support. Seat and back cushions are foam and down filled. Seat firmness: Medium. On a scale from 1 to 5 (5 being firmest), it's a 3. Loose, reversible cushions (Astor Velvet excluded). Folds out to reveal Queen-sized mattress. Gel mattress features a 2-layer construction of high-density foam and gel-infused memory foam. It’s designed to contour to the body and wick away body heat. Mattress ticking has an ultra-soft, breathable knit. Sleeper mattress dimensions run smaller than standard mattress sizing. Queen-sized sheets are recommended to ensure complete coverage. Steel pull-out mechanism. Assembled in the USA.