These Self Adhesive Round Reflective Lights have an endless number of uses. However being used near the road side or on the road is clearly the most commonly used, namely for bicycle riding. You certainly can use these as driveway markers, mailbox markers, reference point markers, still you will see these reflective lenses the most when people are riding their bikes. You might also be interested in some Driveway Relector Lens Markers with Stake.
