This is the most lasting and durable mattress as it is build for comfort, this mattress is to be used on the hospitality industries, using advance manufacturing processes and stringent quality control. This mattress is truly top of the line for bonnel spring mattress. With a layer of high density foam for increased comfort, the responsiveness of the 2.4mm Bonnell spring system of the Hoteline Range gurantees improved sleep quality. The 3-Zone Sleep System has a specialized mid-section to provide even greater back support whilst the edge protector assures a restful night's sleep with minimal movement and disturbance for sleeping partners.