Sprung mattress: Get a 1500 pocket sprung mattress! Size: Choose from small single (2ft6), single (3ft), small double (4ft), double (4ft6), king (5ft) or superking (6ft) sizes. Hypo-allergenic: With a dust-mite resistant filling, ideal for those with allergies. Construction: With 1500 individually pocketed springs to help distribute body weight. Firmness: Comfortable medium-firm support - ideal for those who like to sleep on their back. Cover: Features a luxury quilted damask cover and border for extra comfort. 1500 Pocket Sprung Mattress | Small | Living Social