If you want simple protection for your screen, this protective film for iPad Mini 4 / iPad Mini (2019) is ideal. The film is attached relatively easily and will not be viewable on your tablet. In addition, tablet functionality and touch will be largely the same as before attachment. 

The film is free of glue and other materials that could mark your iPad, so don't worry about taking it off when the time comes. Your tablet will look the same. So there are not many arguments against using this screen protector for iPad Mini 4 / iPad Mini (2019). With this you can avoid scratches, dirt and greasy fingers on the screen. It's also a way to maintain your tablet's value.

In case you drop your tablet, this iPad Mini 4 / iPad Mini (2019) protective film firstly provides good protection against scuffs and scratches, but also takes some of the impact itself. Note, however, that the plastic film is not nearly as strong as a protective glass.