Featuring Silentnight's Miracoil spring system, this great value mattress combines unique technology with breathable comfort and support for people of all shapes and sizes. The unique zoned Miracoil spring system offers superior support, scientifically proven to improve your spinal alignment and posture, for luxiourious comfort and support personal to you. Combined with an Eco Comfort pillowtop layer which is sustainably made and offers extra breathability for a cooler and fresher sleep. Firm feel. Continuous sprung mattress with 768 springs. Micro quilt finish. No roll together. Mattress size W180, L200, D26.5cm. Rotate mattress regularly. Made in the UK. Package Dimensions:Package 1 dimensions: H27, W180, D200cm. Package 1 weight: 33kg. General information:Manufacturer's 5 year guarantee. EAN: 5037892040116.