Silentnight Medium Firm 2800 Pocket Memory Pillowtop Mattress:* Double layer of Mirapocket springs* 2800 individual pocket springs* Naturally sourced wool comfort layer* Optimum temperature regulation* HypoallergenicA sumptuous mattress promising premium comfort and quality from Silentnight. This mattress features a premium double layer of Mirapocket springs, including 2800 individual pocket springs designed to provide tailored comfort and zoned support which is scientifically proven to ensure better spinal alignment and improved posture. Each spring independently reacts to the unique weight and movement of your body, providing even weight distribution and maximum sleeping space. This mattress features a naturally sourced wool comfort layer that blends optimum temperature regulation with indulgent comfort akin the luxuries of a 5-star hotel, giving the perfect night-time retreat for every season. This mattress is also hypoallergenic, to help provide a healthier sleep environment. This is a pillow-top mattress and cannot be flipped. With a medium / firm rating, this mattress is great for most sleeper types. 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 youll be able to get your new mattress into your home.