Enjoy sweet dreams on the Cool Blue Gel Memory Foam Quilted Sprung Mattress Available in single, small double, double or king mattresses Constructed with a combination of foam and springs Open coil bonnell spring and responsive cool blue memory foam Hypo allergenic and cooling foam for a more comfortable nights sleep 19cm mattress in a medium firmness Contours to your body's natural shape and pressure points Buying Options:  79.99 pounds instead of 129.98 pounds for the single mattress - save 38% 99.99 pounds instead of 189.98 pounds for the small double mattress - save 47% 109.99 pounds instead of 209.98 pounds for the double mattress - save 48% 119.99 pounds instead of 269.98 pounds for the king mattress - save 56%