Designed to give you a perfect night sleep, this 20cm mattress core is made up of 17.5cm of support foam which as the name suggests gives the mattress it's support and acts as the base layer. The 2.5cm layer of visco elastic memory foam contours to you shape and cradles you as you sleep, making you feel weightless. This non turn mattress comes complete with a luxury fabric mattress cover which is also zipped and removable for easy cleaning. For convenience and ease of transportation the mattress comes rolled and vacuum-packed.. With its soft touch cover and low-motion transfer, it's great if your partner moves around a lot. It has a medium firmness and a breathable design to help keep you cool whilst you sleep. This UK manufactured mattress has a zip-able cover so can be machine washed helping to keep your mattress feeling fresh.