evidence: However, most of these are made from plastics like synthetic polymers, polyurethane (PU), and polyvinyl chloride. While durable and resembling genuine leather in appearance, they are not the most sustainable source material, and lack the feel of natural leathers. [...] Nova Milan’s vegan alternative leather is also 100 percent biodegradable, much like other plant leathers. [...] While many companies producing plant-based leather are keen to tout their environmental credentials, they may not all be telling the entire truth. The faux leathers some of them produce are not all as "green" as they lead people to believe.