Made from soft, breathable cotton that has been specially treated with a HHL Technology Health Protection finish used to kill and provide on-going protection from dust mites, odour causing bacteria and mould growth for a healthier sleep. Combined with regular doses of maximum heat to the mattress, it will create a inhospitable environment for house dust mites. Features: Made from cotton. Fitted. Dual detachable controls. 6 heat settings. 8 minutes heat-up time to reach 37C. Timer with auto shut off. Suitable for all night use. Low energy consumption. Safety features: Overheat protection. BEAB approved - safety verified by an independent third party. General information: Size W190, L137cm - suitable for double bed. Machine washable and suitable for tumble drying. 3 year limited hardware manufacturers guarantee.