TECHNOLOGY Hand-nested calico pocket spring construction Spring tension: Soft, Medium, Firm, Extra Firm 1804 springs in size 182 x 200 (Superking) 1476 springs in 150 x 200cm (King) 1248 springs in size 135 x 190 (Double) 819 springs in size 90 x 190 (Single) UPHOLSTERY Made exclusively from natural fillings: bonded British fleece wool and cotton, horsehair, blended British fleece wool and cotton Finest quality ticking Hand tufted with felt washers BORDERS Upholstered with protective wool 2 rows of hand side-stitching Horizontal handles Air vents Overall mattress depth: 21cm + 6cm doming (+/-2cm) Perfectly paired with: PRESTIGE DIVAN The Prestige divan it built around a solid timber frame and upholstered in coir, British fleece wool and cotton. Hand-nested pocket spring construction 950 springs (high divan model) in 150 x 200cm size (5ft x 6ft 6in) Solid timber frame Choice of high, low, shallow or drawer divan Coir, blended British fleece wool and cotton Finest quality ticking or upholstery fabric This product is made of FSCTM-certified and other controlled materials