At the heart of this superb bed are two layers of vispring four coil springs deeply upholstered with long stranded south american horsetail real shetland isle fleece wool and cotton naturally exquisitely comfortablethe tiara superb is partnered with the sovereign divan 1 344 hand nested calico pocketed springs based on 150x200cm size on a screwed and glued solid timber frame the divan frame is covered with insulating wadding and the ticking case is calico lined for added protectionus