Enjoy a better night's sleep with the cool comfort and exceptional support of the exclusive 10 inch thick Blackstone Gel Memory Foam Mattress. The Blackstone 10 Inch Gel Memory Foam Mattress with Green Tea, ActivCharcoal and BioFoam provides customized support and cooling, conforming comfort with Memory Foam and Comfort Foam that conforms to the natural shape of your body. This results in customized spinal alignment and a more restorative night's sleep. The High-density Base Support Foam layer provides long lasting durability and stability. Please open your mattress package within 72 hours of receipt and enjoy a better night's sleep that same night.