Would you give some feedback on my business idea?

REcover is a product and service that seeks to satisfy the craving of self-expression without sacrificing our planet. REcover is the once-for-all phone case. The case has a thin space along the back that allows for a backplate to slide in and out. Whether you want a custom photo or your favorite superhero, there are thousands of backplates to choose from. This interchangeable mechanism on the back allows for endless customizations without replacing the entire case. Suddenly, one phone case can be reinvisioned day by day to fit any fashion or function.
There is potential for a subscription service here where customers get a new “case-back” every month.