Sink into security with the Orange Wavy Bonnell-Spring Memory Foam Layer Mattress  This comfy mattress has a medium-soft firmness with a total depth of 18cm Includes a layer of visco-elastic memory foam to contour to your body's curves With a 13.5 gauge Bonnell Open Coil spring unit to sink into Helps to relieve pressure points and support your body while you lay Hypoallergenic, anti-bacterial and anti-dust mite fillings Arrives vacuum-packed, rolled and boxed - this mattress is single-sided Available in 6 sizes: shorty small single, small single, single, small double, double or king Please see Full Details for product specifications and dimensions   Buying Options: 49.99 pounds instead of 109.99 pounds for the Shorty Small Single - save 55% 49.99 pounds instead of 114.99 pounds for the 2ft6 Small Single - save 57% 59.99 pounds instead of 119.99 pounds for the 3ft Single - save 50% 79.99 pounds instead of 139.99 pounds for the 4ft Small Double - save 43% 89.99 pounds instead of 139.99 pounds for the 4ft6 Double - save 46% 99.99 pounds instead of 169.99 pounds for the 5ft King - save 41%