The History and Evolution of the Birkin Bag | Birkin bags are known for their high-quality leather and superb craftsmanship. Read here to learn more about the different types of leather that are used for each Birkin bag. Hermès, Leather Box, Birkin Handbags, Leather Bag, Birkin Bags, Leather Bag Design, Types Of Purses, Leather Bags, Types Of Bag