This is a very heavy, heavily-gummed packing tape. I used it to patch tiny holes in a tent canopy. It was very easy to apply and stuck well to the nylon tent material. The tape also stayed adhered even through about 6 months of use in very hot and also cold, rainy conditions. I eventually had to replace the canopy, but this tape was a good stop-gap that could be carried along and "applied on the fly" as new holes developed. The only issue I had with the product (and the reason I didn't give 5 stars) is the fact that the tape is extremely shiny, which made it very visible--a matte finish would have been nicer.
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