Enjoy a better night's sleep with the comfort and exceptional support of the exclusive 20.3cm Blackstone Elite memory foam mattress. The Blackstone mattress contains green tea, ActivCharcoal and BioFoam provides customised support. The memory foam conforms to the natural shape of your body and results in customised spinal alignment and a more restorative night's sleep. The high-density base support foam layer provides long lasting durability and stability.