Generally, they do the job.
- Minus one star because one mechanism gets stuck after a month and doesn't retract properly.
- Minus 2 more stars because the reset has completely broken and one is permanently down.
I haven't used the other one yet, but I don't imagine it will be any different.
Health.

After a shower curtain that lasted only one use, I trusted a slightly more expensive option and so far it has made me look good!!

The only negative thing I found is that its size is limited to fit everywhere, resulting in gaps around in a medium or large-sized car and in many cases, the sun hits it normally. However, when this doesn't happen, it is very effective.