"This mattress is the perfect place for restful sleep. Featuring a firmness level of medium-hard, it offers lasting comfort with its foam and bonnell spring system. A durable polyurethane foam encases the mattress, while a removable cover allows convenient, easy cleaning. FEATURES AND SPECIFICATION Dimensions: W90cm x L190cm x ~D13cm Hardness: Medium Firm Bonnell coil sprung mattress 2 sided mattress - 2cm polyurethane foam on both sides Washable cover with zipper The zip cover might slightly differ from the photo. SOLID DESIGN Encased in a cover, the mattress comes equipped with a durable bonnell spring system that uses fibre fillings to provide superb comfort. The coil spring unit is topped with durable polyurethane foam on both sides."