Featuring Silentnight’s Miracoil continuous coil spring system, this great value mattress combines unique technology with a quality finish to offer comfort and support for people of all shapes and sizes.The 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.A hypoallergenic mattress, made to offer a medium firm feel with a sumptuous pillowtop finish for additional comfort.Please note, unfortunately we cannot deliver this item to the Channel Islands.* For health and hygiene reasons, we are unable to offer refunds or exchanges on mattresses unless they are returned unused and in their original packaging. For more information please see our Easy Returns section.For more information on different mattress types, please visit our Mattress buying guide. [Click here for more information.](https://www.dunelm.com/info/buying-guides/mattresses-and-mattress-toppers-buying-guide)[Click here](https://www.dunelm.com/infodocs/downloads/Furniture-Sizing-Guide.pdf) to check out our handy sizing guide to help you find out if you’ll be able to get your new mattress into your home.