3M definitely know what they're doing when it comes to adhesive tape. I was working with some of their reflective tape ten years ago and stuck a small excess piece to the fly button of my jeans. I still own and wear the jeans for garage/yard work (they've since been made into cut-off shorts), and that piece of tape is still firmly attached to the button, and still very reflective, even after all this time and probably one hundred cycles through the washer and dryer.