Ignore it, they aren't enforceable. I've had 2; they send letters threatening to send them to collections, but they can't
https://law.justia.com/codes/tennessee/title-55/chapter-8/part-1/section-55-8-198/
I bought this style because I wanted the bags to fit in the window and not hang down the side like some.
https://www.amazon.com/dp/B0B92HTJ8X?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_1&th=1