Mattress: Plus upgrade to get a six-inch memory foam mattress or a Sleepsoul pocket mattress. Gas lift mechanism: Side or end-lift options. Ottoman bed: Get an ottoman gas-lift bed. High quality fabric: Upholstered in high-quality grey fabric. Sizes: Choose between single, small double, double or king options. | End or Side-Lift Ottoman Bed with Optional Mattress | Wowcher