Does it affect the fit of my case? Kris March 23, 2022 08:42 It does not! Ethos is only 0.4mm thick and is specifically designed to fit between your case and your smartphone. Related articles I ordered the wrong case/received the wrong case, can I get an exchange? What if it gets wet? Why is there an indent in my iPhone 13 Case? Why is there an indent in my iPhone 13 case? How slim are the Slim cases? Comments 0 comments Article is closed for comments.