The silentnight london divan with mattress consists of 2100 spring combination to provide a great comfort and support for a luxurious night sleep and to relieve all the pressure points of your body to make you feel fresh the edges of the mattress are highly stable to prevent roll off or roll together the comfort layer of acupressure pad with support zones brings a targeted support and ensures a good alignment of your spine the purotex allergy uk approved embedded cover keeps the mattres