TECHNOLOGY Hand-nested calico pocket spring construction Spring tension: Soft, Medium, Firm, Extra Firm 1638 springs in size 182 x 200 (Superking) 1326 springs in 150 x 200cm (King) 1116 springs in size 135 x 190 (Double) 720 springs in size 90 x 190 (Single) UPHOLSTERY Made exclusively from natural fillings: horsehair, bonded British fleece wool and cotton, 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: DE LUXE DIVAN Hand-nested pocket springs inside a solid timber frame. The De Luxe comes upholstered in coir, cotton and British fleece wool. Hand-nested pocket spring construction 600 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