Leather can be transparent. Parchment or seal intestines have these properties.
Raincoats made of dried seal intestine from Siberia and Alaska from the 18th century.
Transparent leahter of the company ECCO
In 2017, the company ECCO presented a sensational new discovery or reinvention of transparent leathers. According to the manufacturer 's statement, it is a soft and transparent cowhide leather with lasting pliability and waterproofing.
Sensationally beautiful: Transparent of the company ECCO (2017/04).