mattress spring mattress description 1.wire diameter:1.2mm-2.4mm 2.height:8cm-23cm 3.Non-woven fabrics:65---100g 4.Zone:3/5/7 5.Process: all springs are with heat treatment and anti-rust treatment 6.Application: used for various high grade mattress that sell worldwide 7.Quantity: up to custom request 8.Advantage: keep Elastic and Durable 9.Package: rolled packing or compress All above is the description for normal products. We can produce any size of product according to the requirements of client.