The Chester PostureTech mattress by Sealy is designed to keep you cosy and comfortable each and every time you go to sleepSealys bespoke PostureTech spring system is at the heart of the mattress, designed to provide long lasting and deep-down support. The springs react to the weight and movement, applying support where your body needs it the most. Tucked inside the spring unit, Edge Guard works in unison to extend the sleeping area and provide added durability. Threaded throughout the mattress is soft and silky British Wool, a natural comfort fibre that adapts to your sleep climate. Keeping you cool in the summer and warmer in the winter months, Wool is designed to regulate your temperature and ensure a peaceful nights sleep. The Chester mattress is single sided, and finished with a quilted surface for an added touch of luxury. All Sealy mattresses are hand-crafted in Britain and come with a 5 year guarantee for extra peace of mind. Medium, single sided mattress27cm depthAvailable in Single, Small Double, Double, King and Super king sizes.5 year guaranteeHandmade in the UK