This Cool Blue Open Foam Mattress features a traditional coil spring system accommodated with Cool Blue foam. This new manufacturing process offers maximum spinal support and eliminates rolling together so that you and your partner can receive a well-rested and undisturbed night's sleep. The Cool Blue Open Coil Mattress has excellent heat reduction and breathable properties, allowing the mattress to breathe and stay fresh. It is also hypoallergenic, anti-bacterial, and has anti-dust mite qualities. It provides a sleep environment that guarantees night after night of blissful sleep. Sareer Size: Super King (6')