... copper, PVC insulated, PU jacket Conform to ROHS ISO9001:2008 certificated 2.2*5.2mm PU Telephone Flat CableConductor: ... request, we have PU, PP, PVC, etc. availableOuter jacket: as your request, we have PU, PVC, TPE ... with glossy, matte and dull option availableDimension: flat 2.2*2.5mm, we can do as your requestSpiral length ... material we use are environmental friendly 2.2*5.2mm PU Telephone Flat Cable