Layered construction for comfort and stability - Top layers: cotton linen fiber. Middle two layers: filled with feather silk cotton and reinforced cotton core. Back/bottom: professional silicone particles with a non-slip base. Comfort and orthopedic support - The futon mattress automatically adapts to body weight and sleeping position to help relax the spine and provide orthopedic-like support. Separately quilted pads add volume at the top and bottom. The four-layer design delivers lasting comfort. Portable and foldable design - No bed platform required. It can be rolled up and stored in a closet or corner, freeing space during the day. Ideal for minimalists, guests, or frequent movers to save money and space. Versatile use and compatibility - Adapts to the body's natural curve to improve sleep and reduce back stiffness. Suitable for bedrooms, hotels, dormitories, hospitals, camper vans, travel, and guest accommodations.