Enjoy a better night's sleep with the comfort and exceptional support of the exclusive 30.5cm Blackstone memory foam mattress. This single size mattress contains premium memory foam that features Biofoam, replacing some of the traditional petroleum with natural plant oil, and it includes natural green tea extract and all natural active charcoal to help absorb moisture, eliminate odours, and keep your mattress fresh. This results in a customised spinal alignment and a more restorative night's sleep. The airflow high-density base support foam layer provides long lasting durability and stability.