The Strata divan set from Airsprung is from the gently supportive range and contains the duplex double spring system which has two layers of bonnell springs which is twice as many as a traditional mattress for added support. The divans mattress has a softer flexible surface offering comfort an support for a good nights sleep. The Strata by Airsprung has a soft feel with man made fibre fillings, and also has a hand tufted mattress. The divan base comes as a platform top base available with multiple drawer options.