The sandringham 1000 from airsprung features a pocket sprung mattress to give a superior level of comfort and precise support where your body needs it most with 1000 pocket springs in a king size mattress sandringham also benefits from fine damask ticking tufted finishing and flag stitched handles 1000 pocket springs generous layers of soft white polyester fillings flag stitched handles 4 nickel air vents 24cm depth mattress