This 12.5 Inch firm Beautyrest Harmony Lux features the lastest innovation in support, comfort, and cooling that work together in harmony for a better night’s sleep. It’s new and innovative coil design is an exclusive Dual-Strand Coil design invented by Beatytrest and located in the center of the mattress to provide extra support where you need it the most. This mattress includes 3 types of all CertiPUR-US advanced pressure relief foams. The Diamond Foam is a premium memory foam with diamond particles to help conduct heat away from the body. Surface Touch Gel Memory Foam quilted directly into the surface to unlock immediate advanced pressure relief. Wave Foam with ultra strong, nightly conductive carbon fiber delivering consistent support and cool sleep night after night. It is uniquely engineered with cooling technologies and exclusive sustainable fabric technology making this collection the ultimate choice in premium bedding. This Mattress Features a Seaqual Fabric Technology used from plastics recovered the world oceans transformed into premium new fabrics. The same premium quality, softness and comfort you expect from Beautyrest. Each queen mattress helps recover the equivalent of 50 water bottles from our ocean . The Beautyrest Harmony Lux has a 10 Year Limited Warranty.