High Density Non-woven Fabric Pocket Spring Coil Unit for Sofa Seat Cushion and Comfort Furniture Seating Use Product Descriptions Product Name Pocket Spring for Sofa Items Material Steel Wire Steel Diameter 1.0mm-1.8mm(Can Be Customized) Head Diameter 5.3-6cm Middle Diameter 6.5-7.0cm Spring Height 6-15cm Coils Turns 4-7Turns Coils Counts According to the demand of clients MOQ 200Pcs Fabric Weight 60-90g/㎡Or Can Be Customized Length Size Any Size Available Color White, Blue