Sapphire Memory Orthopaedic MattressThe Sapphire is a super value orthopaedic bed with an air of modern flair. The foundation of the mattress is its spring system which provides a sturdy core and is topped with layers of hand selected filling for superior comfort and support. A luscious layer of luxury memory foam is the icing on the cake for this beautiful mattress. A soft knit fabric providing a warm luxury feel is hand tufted for a perfect finish. Mattress Specification: 12. 5 gauge