. *Mattress Springs:1,600 luxury pocket springs in 50 150cm, 1.28mm Vanadium steel springs, 49mm in diameter, sewn in individual calico pockets and hand-formed into a honeycomb-nested unit. *Mattress Border: 21cm deep with three rows of genuine hand side-stitching, horizontal handles, air vents on all sides, border edges upholstered in wool, hand finished with piped ticking. *Mattress Upholstery:Upholstered with 1,000gsm bonded Platinum Certified British fleece wool and cotton and 300 gsm British fleece wool; 900 gsm of cashmere, enclosed in a hair-proof cambric cover.Overlaid with 900gsm of bonded British fleece wool and cotton.Covered with satin ivory Belgian ticking. Other options are available. Hand tufted with felt washers. *Divan Construction:Prestige Divan: 950 pocketed springs mounted 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 protection. *Divan Upholstery:1,200gsm natural coir pad overlaid with 1,200gsm blended British fleece wool and cotton. Covered with satin ivory upholstery fabric. Other options are available. . All Vispring mattresses carry a30 Year Guarantee..