A pocket sprung mattress with innovative temperature regulating memory foam. Approved by the NBF.- Pocket Spring Unit- 25mm Cool Blue Memory Foam top layer- Sareer Damask Fabric- Tufted mattress surface- Duo Pads both sides- Hypoallergenic fillings- Made in the UK- Mattress Firmness: Medium to Firm- Roll up mattress- Vacuum packed- National Bed Federation (NBF) approved The Sareer Matrah Cool Blue Pocket Memory Mattress uses state-of-the-art mattress technology to offer comfort & support in abundance. Individually pocketed springs provide a supportive structure & their independence from each other allows for body weight to be distributed evenly & for pressure points to be alleviated. The Cool Blue memory foam used as a top layer has been developed & engineered to offer the same matching of your body shape as regular memory foam yet it avoids any heat discomfort in order to keep you cool throughout the night. The mattress also features hypoallergenic fillings, making it perfect for allergy sufferers.** Please note: Spring count refers to a 5ft Kingsize model.** Please note, unfortunately we cannot deliver this item to the Channel Islands.* For health & hygiene reasons, we are unable to offer refunds or exchanges on Mattresses unless they are returned unused & 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-&-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.