This luxurious pocket sprung mattress features maximum surface support and hi-tech ErgoSense that adapts to your body pressure providing instant soft comfort. 5 Year Warranty. Pressure Relieving Ergosense . Pocket Springs. No Turn Mattress - rotate regularly to extend the mattress life & performance Suitable for up to 14-20 stone per side of mattress (left or right) Total Dimensions (inc. Base and Mattress) Single - 90cm (w) x 190cm (l) x 63cm (h) Double - 135cm (w) x 190cm (l) x 63cm (h) King - 150cm (w) x 200cm (l) x 63cm (h) Super King - 180 (w) x 200cm (l) x 63cm (h)