The Silentnight Auckland Ortho mattress features the exclusive Miracoil zoned spring system technology, designed for perfect pressure relief and support through the night. These springs are tried and tested, with enhanced durability for comfort that lasts. This mattress also includes deep layers of fibre fillings for additional cushioning. Specifically created for those with back pains or who prefer a more sustantial surface, this mattress offers a firm rating. Part of the Auckland collection. The Miracoil spring system uses a greater amount of springs in the middle portion of the mattress, as the 3 zoned areas are scientifically proven to align your spine with support and added pressure relief, along with edge to edge support and no roll together for less partner disturbance. Made here in the UK, this mattress is easy care, meaning there's no need for turning and it will last for years to come. All Silentnight products are hypoallergenic for healthier sleep. Firm feel. Continuous sprung mattress782 springs. Damask cover withtufted finish. No roll together. Anti allergy. Mattress size W120, L190, D23cm. No-turn mattress. Rotate mattress regularly. Made in the UK. Manufacturer's 5 year parts and labour guarantee.