it is important to make a distinction between vegan leather from the vegetable tanned leather. vegan leather is a petroleum-based textile popularly known as the polyurethane or pvc.
no, we don't use that. we use genuine cowhide with vegetable tanning process which uses plant-based elements including oak bark, fruits, and small tree branches. there are less or no consequences to the environment.
one of the best features of vegetable-tanned leather is that it develops a patina over time with prolonged use and exposure to the environment.