High quality material. The high temperature resistant adhesive tape is made of Teflon fiberglass cloth material, it has strong stretch and strong insulation. . Self-adhesive. The Teflon strips with self-adhesive, it can be affixed easily to different surfaces, without leaving adhesive residue. . High temperature resistance. The teflon tape has high temperature resistance and it can be used for a long time -180 to 260. Melting point up to 327 degrees. . Widely Used. Teflon tape/tape is widely used in vacuum sealers and most manual/impulse heat sealers. . 100% satisfied. If you are not satisfied with the product, we have no problem with a full refund. If you have any questions, please contact us and we will get back to you within 24 hours. .