HYBRID DESIGN DRIVES THE PERFORMANCE: 12 inch queen mattresses combines the pocket wrapped innersprings with the cooling gel memory foam for powerful targeted support, perfectly balanced to relieve back and neck pain. A transitional layer of high-density foam reinforces the top layer to maintain an even plane for your body while also giving the body a bit of extra cushioning. Providing you with the best sleep experience. ANTI-FIRE & BAMBOO CHARCOAL FOAM: Avenco queen mattress top and bottom layers come with a layer of fireproof foam. The queen size mattress foam contains hypoallergenic bamboo charcoal which brings you a safe and comfortable sleeping environment. A breathable knitted fabric cover encases the mattress which is soft and skin-friendly. AIR FLOW TO KEEP COOL ALL NIGHT: Cooling infusions of the queen hybrid mattress foam layers and steady air circulation throughout the coil layer help the mattress maintain a comfortable temperature. The gel memory foam is able to use body heat and pressure to shape your exact shape, allowing softness to embrace you.