High Resilience 1.8mm Pocket Coil Spring for Sofa Seat Cushion Long Lasting Comfort Product Descriptions Product Name Pocket Spring for Sofa Items Material Steel Wire Steel Diameter 1.9mm(Can Be Customized) Head Diameter 5.3-6cm Middle Diameter 6.5-7.0cm Spring Height 6-12cm 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 Customized Packaging