2.0mm pocket spring bag: 1. material: iron 2. usage: inner sofa 3. width: ... webbing, rigid webbing, mattress tapes, rigid webbing, cotton piping, sofa spring, mattress clip, staple company.We have more than 300 professional ... manufacturer in China.The more details about 2.1 mm pocket spring bag is as follow:1. diameter: 1.4 -2.2mm2 ... or L/C9. packing:30pcs/bag1o. material: iron 2.1mm pocket spring bag