The silentnight berlin 1550 pocket spring mattress offers a unique combination of 750 miracoil springs and 800 pocket springs to provide higher levels of comfort and support the pocket springs are arranged in rows that work independently to contour your bodys natural shape and contributing to correct alignment of your spine the miracoil sprung layer brings a targeted support and prevents roll together between you and your partner it has a sumptuous layer of ecocomfort fibre that reduce