Custom Height 6.0cm to 18cm Sofa Pocket Spring Unit for Seat Cushion and Upholstered Furniture Manufacturers Product Descriptions Product Name Pocket Spring for Sofa Items Material Steel Wire Steel Diameter 1.8mm(Can Be Customized) Head Diameter 5.3-6cm Middle Diameter 6.5-7.0cm Spring Height 6cm-18cm Coils Turns 4-7Turns Coils Counts According to the demand of clients MOQ 200Pcs Fabric Weight 65-100g/㎡Or Can Be Customized Length Size Any Size Available Color White, Blue Or