6cm 8cm 10cm 12cm Height Sofa Pocket Coil Spring Unit for Custom Cushion Seat and Upholstery Furniture Making 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-12cm 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