. Partnered Divan:VispringSovereign Divan.. MATTRESS DETAILS:. Mattress Technology:. *Two layer hand-nested calico pocket spring construction. *Springs diameter: 51mm *2,520luxury pocket springs in 50 150cm width. Mattress Upholstery:. *Upholstered with exclusive natural fillings: *300gsm of Platinum Certified British fleece wool. *610gsm of hand-teased horsetail blended with an additional 610gsm of Platinum Certified real Shetland wool. *150gsm of silk. *150gsm of mohair. *1200gsm of blended Platinum Certified real Shetland wool and cotton. *Finest quality ticking. *Hand-tied woolen tufts and twine. Mattress Border:. *Upholstered with coir and wool. *Four rows of hand side-stitching. *Horizontal handles. *Air vents. *Mattress depth: 23cm. All Vispring mattresses carry a 30 Year Guarantee.. . DIVAN DETAILS:. Divan Construction:. *Two layer hand-nested calico pocket spring construction. *1344springs in 50 150cm width. *Solid timber frame. Divan Upholstery:. *1200gsm of coir. *1200gsm of blended Platinum Certified British fleece wool and cotton. *Upholstered with finest quality ticking or upholstery fabric. DivanHeights:divan heights measured from bottom edge to top edge.. *Sovereigndivan: 31cm. *SovereignLow Divan - 25cm: 25cm. *Sovereign shallow Bed base 17cm. gsm - grammes per square metre.