One with internal adhesive will be great to be stick from inside of the cabin thus preserving the sticker against damages due to water, cleaning, dust, heat and anti-social elements keen on damaging such stuff worth to be jealous of!
In my area, people do rip off car emblems, but tiny stickers? Not so much. Maybe a kid with too much time and not enough supervision could peel one off, but adults? Nah, we have got back pain and can’t hunch over for that long.