Spy Sunglasses Personal Security Looking Behind Glasses Rear View Sunglass Rearview Mirror Anti Track Monitor Surveillance

Needed something for our rower so that he could see behind himself. This along with a mirror, did the trick!

A very sad joke. This is a useless set of 10-cent glasses with reflecting tin pasted on the corners. On mine the shape and size of tinting strips weren't even close to uniform. The angle of the glasses means you can only see what's coming at you from the sky. It is easier (and less distracting) to turn your head to see what's behind you than to shift into a position that allows you to see the reflection. They are so cheap they aren't even worth returning. I threw mine in a trash bin within 10 minutes. Amazon should be ashamed of allowing this product on their site.

The mirror portion works OK, but it does block some of your forward vision. Helps when lining up long work pieces without having to turn your around. Not 100% great but they help make doing things quicker.

No me gustaron

Great glasses to help you see what is happening behind you.

Its to small.. i was looking a lil bigger

I was hoping to use these to walk on a bike trail by my home. I wanted to see when bikers were coming so I could reign my dogs in. These glasses are tiny and mirror part will only let you see a foot behind you. Not useful at all as glasses or seeing behind you. They are junk.

I have a free pair that are better quality, yet both pair are very small. This pair is difficult to see behind you.