This mattress has a pocket spring with hard density foam on top and at the bottom, providing soft support to the sleeper. The knitted fabric helps to retain the coolness and lightness of the cotton fibre. With anti-dust mite, anti-bacterial and anti-fungi properties, this mattress is worth buying for your king-sized bed. It also comes with a ten-year warranty.Product Colour may vary slightly due to photographic lighting or your screen settings. The product images have props used for illustrative purposes. Bed sold separately.