The Silentnight Auckland Ortho Double Mattress is designed with those who experience back aches in mind. With a firm feel to give your back proper support, it is formed of a continuous spring with a unique shape that spreads your weight evenly across the bed. Plus its anti allergy, so perfect for asthmatics and other allergy sufferers. Part of the Auckland collection. Firm feel. Continuous sprung mattress. Damask cover with tufted finish. No roll together. Anti allergy. Mattress size W135, L190, D23cm. No-turn mattress. Rotate mattress regularly. Manufacturers 5 year guarantee.