Polar 10-inch Memory Foam Mattress in Twin, Twin XL, Full, Queen, King Sizes Features a removable Tencel & poly cover that allows for professional cleaning. Airflow Pressure Relief Memory Foam reduces body pressure and increases ventilation for a cool and comfortable sleep Crafted with quick recovery convoluted foam for added ventilation that's surrounded by a foam encased edge for a 10% more usable sleeping surface Added support provided by base layer of high density foam Crafted with CertiPUR-US approved foams