Combining Sealy's innovative, comfort-enhancing PostureTech CS System with a layer of adaptable MemorySense Foam, the Sealy Advantage Quartz Mattress ensures a wonderful night's sleep. Boasting total support across the entire surface area, the mattress also benefits from the company's excellent EdgeGuard technology, which reinforces each of the springs with a layer of high-density foam. This lengthens the expected lifespan of the product and extends the support it provides all the way to the edges of the mattress. Hand-crafted in Sealy's Cumbria-based workshops, the Sealy Advantage Quartz Mattress offers guaranteed quality. A great deal of expertise goes into every stitch, and the experience of the artisans who manufacture the mattresses is apparent in every product. Edge-to-Edge Coverage with the PostureTech CS Spring System At the heart of the Advantage Quartz Mattress is the world-class PostureTech CS spring system. This technology is designed to respond effectively to subtle shifts