Leather bags are popular for their refine and high quality craftsmanship, exuding a touch of class that no other types of fabric can match. That is why after so long they remain wildly popular to many. However, as leather is made from animal hide, it can be pretty susceptible to moist, heat, dryness, dirt, fungi, stretching, just to name the common ones. Thus they usually come manufactured with some form of oil, wax based cream applied to their surface. After prolong use protection layer will thinned off thus exposing the leather.