Teflon tape is used on the jaws/bottom surface of the heat sealer so the actual machine doesn't get seared when the heat sealing process takes place.
Don't know what to purchase with the teflon tape? Don't stress we sell them in kit bundles with the elements so you get everything you need!
The most popular width is 38mm non-adhesive. Depending on how much your heat sealer is used will determine how often you need to replace the teflon on the jaws of the heat sealer.
Not sure how to replace the teflon on your heat sealer? Scroll to the bottom of the page and we've got a video that walks you through it :)