7-ZONE PRESSURE RELIEF VENTILATION - Green tea-infused pressure relieving memory foam mattress layer with a soft, poly jacquard cover. The Airflow High-density Base Support Foam provides long lasting durability and stability THE RIGHT COMBINATION - Our special recipe for rejuvenating rest? Available Size: Single(Twin), Double, Queen and King Size mattress Enjoy the comfort and support of Green Tea Memory Foam. The Zinus Memory Foam Green Tea Mattress provides conforming comfort with a Memory Foam layer and Pressure Relieving Comfort Foam layer that conforms to the natural shape of your body. The Airflow High-density Base Support Foam provides long lasting durability and stability. The Green Tea Memory Foam Mattress won't result in dips or body impressions and you can relax knowing you won't be woken from other's movements. Another comfort innovation from Zinus. Pioneering comfort. Please open your mattress package within 72 hours of receipt and allow 48 hours for your new mattress to return to its original, plush shape.