This item is in the category Home, Furniture & DIY\Furniture\Beds & Mattresses\Mattresses. Pelvis & Hips The foam moulds to the contours of the body reducing the risk of swollen hip joints. Luxury memory foam mattress 4000 pocket sprungs 3ft single 4ft 4ft6 double 5ft all items are dispatched safely and securely to limit and prevent damage.