This mattress features a dual-layer core of memory foam and high-density foam for balanced comfort and support, suitable for back, side, and stomach sleepers. Its removable, washable zippered cover allows for easy cleaning. The mattress arrives compressed in a box and expands quickly after unrolling. | Anysun | | King Size Memory Foam Mattress,12 Inch Bed Mattress,with Cooling Green Tea Gel | White | Best Buy