This is a strong adhesive tape that is water-resistant, suitable for repairs, mold prevention, and other uses around water sources. It's designed to easily fold in the center, making it ideal for edges like window frames. It's clear (colorless and transparent), so it can be used anywhere. I'm selling one of a set of two, and I'll also include the remaining adhesive aid as a spare. Since it can't be sent via mail, shipping costs will apply, so I'm unable to offer a discount. Thank you for your understanding.