At 5cm deep this mattress topper offers a medium layer of extra comfort for your mattress. The Single Foam Only 5cm 45kg Memory Foam Mattress Topper comes as a foam only (no cover) mattress topper which is perfect to slot neatly between your mattress & bottom sheet. 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.