【Contouring & Supportive 2-Layer Foam】 To provide sleepers with the just right firmness, the 3 inch mattress topper includes 2 layers of gel swirl foam - top memory foam and bottom supportive foam, soft memory foam relieves your body pressure, and supportive foam prevents sleepers from over sinking, Whether your mattress is too soft or too firm, the foam topper can convert the bed to a comfy medium softness 【Top Conforming Memory Foam】 The next-generation gel swirl memory foam mattress topper hugs your shape to ease pressure points throughout the body, align the spine and relieve back pain. Suitable for various sleeping positions, all back/ stomach/ side sleepers can enjoy a more restful sleep 【Enhanced Ventilation on Your Mattress】 Cooling infused gel, along with airflow holes - This memory foam bed topper offers increased ventilation on your old mattress, avoiding overheating sleeping environment, Both sides of the mattress topper can be used for sleep, just reverse the topper protector to enjoy more firmness choices