Back - Correct alignment of the spine lowers back pain. Pelvis & Hips - The foam moulds to the contours of the body reducing the risk of swollen hip joints. Lower Leg & Heels - Circulatory problems which cause swollen calves or feet is prevented by spreading pressure. Allergy Sufferers - Superb for people with Asthma as the foam is Anti-microbial and dust mite preventative. Bed & Mattress Measurements 3FT-Single-190 x 90 x 24 cm 18KG 4FT-Small-190 x 120 x 24 cm 28KG 4FT6-Double-190 x 135 x 24 cm 31KG 5FT - 190 x 150 x 24 cm 36.7KG. The item "Cool Blue Memory Foam Mattress Pocket Sprung Matress 3FT, 4FT, 4FT6,5FT" is in sale since Monday, April 20, 2020. This item is in the category "Home, Furniture & DIY\Furniture\Beds & Mattresses\Mattresses". The seller is "lankoubed" and is located in Leicestershire.