Miracoil® Spring systemThe unique zoned Miracoil® spring system offers comfort and support for all shapes and sizes. Unlike an ordinary circular spring system, Miracoil’s unique shape has twice as many springs offering improved pressure relief, edge to edge support for maximum sleep space and zoned support right where you need it most. Tried and tested Miracoil® Spring System also has enhanced durability providing superior comfort over many years. Our Miracoil® spring system will also offer the following benefits:Edge to edge support providing more personal sleep spaceNo roll together ensuring less partner disturbanceZoned support for perfect spinal alignmentPressure relief for a comfortable night’s sleepPressure reliefPressure can build up into painful hotspots, causing pins and needles or aches and pains. Miracoil® spring systems give pressure relief for a comfortable night’s sleep.HypoallergenicThis mattress is hypoallergenic and dust mite resistant for a healthier sleep.Single SidedThis mattress is single sidedQuality 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% PolyesterUnderside – 60% Polypropylene / 40% PolyesterSide Border – 64% Polyester / 36% PolypropyleneDivan base – Border – 24% Polyester / 36% Cotton / 40% Polypropylene Lid – 75% Polyester / 25% ViscoseHeadboard not included and available separately.