NO-312 series:PTFE Coated Fiberglass Zone Tape:wiht adhsive on either edges but clear on the center, which prevents excessive adhesive and residue from the heating process and extends the service life of the tape. increasing work effectivenesswhile saving labor cost and time by lowering the frequency to change the heating wire.Thickness: 0.13mm (customizable),Width: 50mm (customizable),Length: 10M (customizable),Color: blue and white (customizable)