This Iyer nature gel memory foam mattress is designed with a double-layer all-foam system, improving support and heat dissipation, The mattress layers include a 2cm certified gel memory foam layer and 16cm of high-density base support foam for ultimate comfort. It includes a soft hypoallergenic cover layer that is washable for your convenience. All-foam bed design combines expertise and the best materials with advanced sleep technology. Memory foam is conducive to continuous airflow and breathability; skin-friendly fabrics adapt to the environment to keep the mattress surface at the ideal sleeping temperature; Buoyant, no-sink support foams adapt and conform to your body for optimal pressure relief. Specialized foams reduce the motion transfer of a partner so your sleep is undisturbed. This mattress is compressed and packaged in a box for shipping, allowing it to easily be delivered to your door and expand to its full lofty shape inside your home. They fit all frames, such as box springs, floor, slatted base, flat platform or adjustable bed, and hospital bed. Please allow up to 72 hours for the mattress to fully expand and for any potential odors to dissipate.