Featuring a unique ergonomic design to target the shoulder and hip areas, the SmartSleep Ergonomic 600 Mattress has a memory foam top layer which is profiled to contour to your body shape and offer comfort and support in all the right places. The non quilted cover is removable and washable with the added benefit of a Fresche&reg Bioscience high performance antimicrobial treatment, which inhibits house dust mites and offers durable and lasting protection against bacterial and fungal attacks. This mattress is made to standard in the UK and comes with a full 10 year structural guarantee for your peace of mind. It is delivered vacuum packed and rolled for easy transportation. Once unpacked, just give the mattress a few hours to fully expand. Dimensions: Single: W 90cm x L 190cm x D 20cm Small Double: W 120cm x L 190cm x D 20cm Double: W 135cm x L 190cm x D 20cm Kingsize: W 150cm x L 200cm x D 20cm Superking: W 180cm x L 200cm x D 20cm * 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.