"8""/20cm Deep (2"" Memory Foam + 6 Reflex Foam) Contours To Your Body Shape, Dust Mite Resistant, Hypoallergenic, Relieves Pressure Points, Temperature Regulating Technology, Vacuum Packed and Rolled Up, Washable Cover Comfort Level Medium Firm - We would rate our mattress a 6. Mattress Type Memory Foam combined with Reflex Foam and includes a non-quilted removable zipped cover Sizes & Measurements 3ft-Single 90cm x 190cm 4ft-Small Double 120cm x 190cm 4ft6-Double 135cm x 190cm 5ft-King Size 150cm x 200cm 6ft-Super King 180cm x 200cm NOTE Folded and Rolled Vacuum Packed Mattress It is Important to unpack your Mattress to allow it to unfold and leave for 48 hours for it to expand fully. It is not designed to be refolded once expanded and therefore please ensure you have purchased correct size mattress as return may not be accepted. - BSSPOKE 8"" Memory foam with Reflex Foam Mattress in White - Size: King"