The Firmrest mattress offers a firmer alternative to others in the Signature range, balancing softer comfort zones to cushion your shoulders, hips and heels, with firmer comfort zones to ensure correct alignment of the spine. The Firmrest promises this level of support no matter what position you sleep in. Breathable, responsive latex core. 7 comfort zones. Pressure relieving. Reduced effort needed for movement throughout the night, resulting in improved REM sleep. Naturally anti-allergenic, anti-bacterial and anti-microbial. Completely noise free. Actipro Technology probiotic treatment: the natural solution to allergens, bacteria and odours. Maintenance free: no need to turn, flip or rotate. Firm support. Single - W: 90cm L: 190cm D: 18cm Small Double - W: 120cm L: 190cm D: 18cm Double - W: 135cm L: 190cm D: 18cm King - W: 150cm L: 200cm D: 18cm Super King - W: 180cm L: 200cm D: 18cm. 8 Year Guarantee - Signature Collection mattresses and bases. All claims under the guarantee should be made through the retailer where the bed was purchased. On Adjustable model purchases the remote control is guaranteed for 2 years.