Pocket springs we produce: 1. the most important material of modern intensive mattress, also can be used to make sofa cushion or other furniture. 2. Type: free style, folded style, style of varioue zones, strong style. 3. Number of pocket spring:as per your requirement. 4. Height of pocket spring: 10-20cm. 5. Materials : phophasted steel wire (1800-2000N/mm2) needled cloth 100% polypropylene 6. Diameter of steel wire:0.8-1.5mm 7. packing: covered with wooden pallet on top and bottom, then compressend and strapped with steel strips, which is excellent for export uasge.