I found bankline on Amazon. It is a lot lighter than paracord and usable in many situations where a lot of strength is not needed. Like stringing up a tarp shelter.

https://www.amazon.com/s?k=bankline&crid=D3R4AMAM3GZR&ref=nb_sb_ss_ts-doa-p_1_8

That page shows many varieties in many materials and configurations (flat rope anyone?).