https://www.reddit.com/r/Anticonsumption/comments/1b1jjpp/rant_vegan_leather_is_just_plastic_and_causes/

https://www.hsph.harvard.edu/news/hsph-in-the-news/microplastics-may-disproportionately-harm-vulnerable-communities/

https://www.mdpi.com/2071-1050/15/14/10821

https://www.manuel-dreesmann.com/blogs/information/what-is-pu-leather-and-why-you-should-avoid#:~:text=In%20addition%20to%20VOCs%2C%20some,%2C%20kidney%20damage%2C%20and%20cancer

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7068600/