The firmest mattress Dunlopillo has to offer! Made from 100% pure Dunlopillo latex with progressive comfort to respond to your body movements, this mattress is tailors to your body to deliver the perfect night's sleep. With an 8 Year Guarantee and Free Next Day Premium Delivery, the Dunlopillo Firmrest is luxurious comfort at amazing value. Dimensions: 4′6″ x 6′3″ (135cm x 190cm)