About this item Advanced Bonnell Spring Support System:The interconnected spring design in this twin mattress helps distribute body weight evenly. The mattress conforms to your curves to ensure that every part of your body receives balanced support, helping to minimize pressure points and provide a deeper night’s sleep. Durable Construction for Extended Use:This twin mattress 6 inch is precision-engineered with interlocked heavy-gauge steel coils in an hourglass shape for structural integrity. Reinforced wiring connections resist deformation, delivering long-lasting shape retention. Minimizes sagging for years of supportive comfort without frequent replacements. Bonnell Spring Mattress features dual-layer breathability: The Bonnell spring mattress pairs a helical open-coil structure with a breathable knit cover to create a dual airflow system. This twin size mattress maintains a sleep surface stays 2-3°C cooler than foam alternatives with temperature-balancing comfort. Strategically designed to optimize air circulation and humidity management. Certified Safe Hybrid Mattress for Better Sleep:The twin mattress 6 inch crafted with CertiPUR-US certified foam and an OEKO-TEX certified mattress cover,making it a satisfying option for those with allergies or skin sensitivities.The comfort layers are made of different materials and densities of foam to offer premium support and comfort for a full night’s sleep. See more product details