Which Best BuyWinner of the Which? Best Buy Award 2016 Mirapocket Spring systemThe advanced zoned Mirapocket spring system offers the ultimate in comfort. Each mattress with Mirapocket technology contains individual springs that are held under tension in their own fabric pockets. Each spring responds to your body, spreading your weight evenly across the bed providing zoned support where you need it most and luxurious, tailored comfort that is second to none. Our Mirapocket spring system will also offer the following benefits:Offers various spring to meet your individual comfort needs, allowing you to find your perfect comfort solution for a great night’s sleep.Individual responsive spring system providing zoned support.Pressure relief for a comfortable night’s sleep.Edge to edge support providing more personal sleep space.Pressure reliefPressure can build up into painful hotspots, causing pins and needles or aches and pains. Mirapocket spring systems give pressure relief for a comfortable night’s sleep.HypoallergenicThis mattress is hypoallergenic and dust mite resistant for a healthier sleep.Quality AssuranceAccredited onsite laboratory to bring the best products to you.Every Silentnight mattress type is tested to ensure it exceeds all British standards.We are full members of the Furniture Industry Sustainability Program.Fibre ContentSleep Surface – 100% PolyesterSide Border – 67% Polyester / 33% PolypropyleneHeadboard not included and available separately.Listed spring counts are based on a king size mattress (measuring 5ft x 6ft 6in /150cm x 200cm). The amount of springs will alter on a pro-rata basis dependent on mattress size.