High tech Visco-Elastic memory foam This Visco-Elastic memory foam mattress uses state-of-the-art temperature responsive, slow recovery âmemory foam which contours to the shape & weight ensuring the best possible sleep every time. The zip off cover is machine washable at 40 ⢠25mm of Visco combined with 135mm of high density foam ⢠Contours to your body shape ⢠Dustmite resistant ⢠Promotes good blood circulation ⢠Reduces pressure points that cause sleep discomfort ⢠Open-celled & breathable ⢠No-turn mattress ⢠Vacuum packed for easy transport ⢠Easy clean removable cover ⢠Suitable for any divan or bedframe ⢠1 year guarantee