This luxurious riviera 3000 mattress is constructed with pocket springs manufactured in the uk it is sidestitched which adds strength to the mattress edge with a solid luxurious feel this mattress is covered in 100 cotton italian damask with generous natural wool silk and cashmere fillings which give a superb level of comfort the riviera 3000s natural fillings aid to a deeper more restful nights sleepthere are turning handles on each side of the mattress for easy care and brass vents will ensure