The Serta Perfect Sleeper® Rise Collection has been created using sustainable SEAQUAL® fabric made from plastic gathered from the ocean, then upcycled into threads used to produce high quality textiles Australian-made copper-infused memory foam naturally prevents bacteria growth while KulKote®, a heat regulating layer, absorbs, stores and releases thermal energy to give you a more consistent sleep climate. The range is endorsed by the Australian Physiotherapy Association (APA) and comes with a 90 Day Comfort Guarantee.