Why? You can only test, rate and make Migros even better if you're logged in.
When I took out the product, I was amazed: "So a plastic film is supposed to help against the heat in the car? I put it on the windshield and on the side. Start temperature in the car was 24 degrees ... after 5 hours the temperature in the interior of my car showed 39 degrees !!! Result... ended up in my trash can ... I'm buying thermal mats now !
Practice