I got this to help with nighttime safety as my backpack is a dark color. It is VERY reflective when hit with direct light. Highly recommend for folks who want to be safe, but less boring than typical reflective patches.

That being said, I didn't find instructions on whether or not I could safely iron it onto my backpack. It does come with an iron-on backing, but I was unsure if I could directly iron it or if I needed to use a protective layer. Not reducing the rating for it as I could have not looked hard enough. It was very finicky to sew onto a backpack.