Mattress Technology • Two-layer construction with hand-nestled springs in calico pockets • Spring diameter: 51 mm • 3,080 springs in size 182 x 200 Upholstery • Exclusive natural fillings: Platinum-certified British fleece wool, hand-carded horsehair blended with Platinum-certified genuine Shetland wool (1525 g/m²), silk and mohair, blend of Platinum-certified genuine Shetland wool and cotton (1200 g/m²) • Premium-quality ticking • Hand-knotted wool tufts and twine Edges • Edged with coconut fiber and wool • 4 rows of hand-stitched “side-stitching” • Horizontal handles • Air ventilation • Depth: 23 cm Box Spring Construction • Construction of hand-nestled springs in calico pockets • 1,632 springs in size 182 x 200 • Sturdy wooden frame Upholstery • Coconut fibers (1,200 g/m²), a blend of Platinum-certified British fleece wool and cotton (1,200 g/m²) • Highest quality ticking or upholstery fabric Height • Sovereign high 31 cm • Sovereign low 25 cm • Sovereign shallow/bed base 17 cm • Sovereign firm edge 12 cm The price listed is the starting price for a complete bed (excluding legs)