The Single Egg Box Memory Foam Mattress Topper features 60kg/m⊃3 high density memory foam. This high density memory foam ensures longevity for your mattress topper, & also offers a high level of pressure relief. A memory foam topper provides comfort for your whole body during the night, meaning you can wake up feeling refreshed & free of any minor aches & pains. Memory foam also provides relief for your pressure points, which encourages healthy blood circulation, as well as reducing the need to toss & turn during the night, meaning a deeper & more restful sleep. Manufactured in the UK with quality raw materials & detailed finishing, you can purchase your mattress topper with the confidence of a 12 month manufacturer&39s warranty from one of the UK&39s leading memory foam mattress & topper manufacturers. Please be aware that a memory foam mattress topper cannot solve the problem of a dipped or damaged mattress, but offers additional comfort & pressure relief to a firm or tired mattress. If your mattress is in bad condition & has any lumps or dips, then we recommend that you consider a new mattress for a better night&39s sleep.