I did put it on my car tire rims they glow with the light hit it. Excellent safety for everybody while I am driving. I also did put some over the edge of the doors so the other driver can see them in the night when I open them.

Works fine if light source is held at the right angle and very close, but a 150 lumen lantern held four feet away has zero reflection from any angle. Overall, disappointed.

This is a great product to add extra reflexive elements to your scooter, bike, or even a vehicle. It's great on NON-curved surfaces but may be a little difficult on curved surfaces. It's nicely priced and worth using for that added safety!