Fine quality fabric ticking Silver-grey wool style fabric colour is standard Available on request in a wide selection of designer fabrics All-natural foam-free fillings Cotton British Wool Hemp Two-layer micro pocket spring system 100% recyclable, sustainable, glue-free spring layer All spring components are made in-house by Harrison Spinks Coil Counts: 4,200 pocket springs in queen size 5,100 pocket springs in king size Bases are split in two for all queen and king beds, and the orientation of the split depends on the height of the base Deep Divan Bases: Split down the middle from head-to-toe (left and right pair) Shallow Bases: Split down the middle from head to toe (left and right pair) Slim Bases: Split in half from east to west (head and foot pair) Wooden legs are included Install the legs to use the base without a bedframe or with a matching Harrison Spinks upholstered headboard Leave the legs off and place the base inside an existing metal, wood or upholstered bedframe Available with a choice of leg styles and finishes (selection varies by base type) Handcrafted in the United Kingdom Harrison Spinks owns and manages their own 300-acre farm in North Yorkshire, which produces wool, hemp and flax The farm is located just 18 miles away from the factory in Leeds Expertly woven in-house fabrics produced at the factory in Leeds Each boxspring is handmade in Leeds Dimensions Deep Divan Base: 30 cm | 12" tall Castors add 6 cm to the total height Glides add 5 cm to the total height Shallow Base: 20 cm | 8" tall Shallow legs add 9 cm to the total height Slim Base: 12 cm | 4.7" tall Capped slim legs add 17 cm to the total height As this is a functional boxspring, the springs and natural fillings create a "crown" effect. This means the inner portions of the boxspring are slightly taller than the edges.