I don't know if it's genuine 3M or not, but I can tell you it's definitely worth the money. Pros: 1. Easy to cut - I used this to splatter all kinds of crazy images on my helmet and it was easy to cut with scissors. see photo.2. Sticks well - really like the glue. Adheres very well to the helmet and does not peel off or show signs of it. So much so that it's on my riding jacket, bag and poles (the edges will unravel a bit but then you seriously can't expect it to stick to clothing. 3rd Reflective - lights up me like a 4th when riding. July my bike at night.. I am clearly visible and feel protected.. I have seen that cars have given me a lot of cushioning because of this (I used to ride without them and sometimes the cars would sneak up very close just to notice that there is a cyclist in the neighborhood very close by, and the visibility is high with them, and people have told me that with them they could spot me much better.so many cons - can't think of any, hope this helps .
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