1 hour ago, Laurentius said:Thank you. I'd seen this product before; I just didn't understand that you apply the tape and then pierce through it and the bag. Makes sense.
Pretty pricey at $27!
Its not being made solely for sous vide.
I bet it exists cheaper under another name...like weather stripping?
Bingo! https://www.google.com/search?client=firefox-b-1-e&q=Closed-cell+foam+tape+with+adhesive+backing