The Viscose Deluxe Mattress features eco-friendly soy-based memory foam. This futon mattress is rated Medium Firm. The Viscose Deluxe Memory Foam Cotton Futon Mattress Firm – Twin, Full, Queen, King, Loveseat size mattress is most like a tempurpedic mattress yet is still flippable like a futon. This viscose hybrid memory foam is soy based and springs back to its original shape each time your body shifts. This superb resilience means much greater comfort, support and durability, with no discernible sagging even after years of regular use. The Viscose Mattress combines superb comfort and support while maintaining it’s luxuriously soft to the touch, high resilience superior pressure relief. Plus it is environmentally friendly and hypo-allergenic. The viscose memory foam in this topper uses an advanced CO2 Process, which is a Natural Choice, without harmful emissions. Quite simply, the CO2 process is the most highly developed, environmentally friendly foaming process ever created. This memory foam sits on top of firm resilient eco-friendly bio-flex hybrid soy foam. The core of this futon is firm bio-flex hybrid soy foam. This eco-friendly foam has greater support factors, enhanced “hand” and tactile properties, Excellent Tear/Tensile strength plus Supreme cell integrity for longer life. We then surrounded this foam with blended cotton batting and then it is topped with 2 inches of 4 lb viscose memory foam on the top and bottom. This futon mattress is suggested for every day sitting and sleeping with a platform bed or convertible futon sofa bed. The Viscose futon mattress is ideal for everyday use in any room of your home.