Flavoring leather animals can be used to flavor a long-term exclusive agent in the "finishing" leather in the leather surface directly after spraying to slowly infiltrate into the flavoring agent, because the leather can absorb the flavor of protein. Artificial leather will have to use another flavoring method, because "man-made leather" is not a protein, but the plastic (resin) and "synthetic" artificial leather to make the best use of your mouth lasting: ① direct processing of plastic products Flavoring. ② flavor inside the fiber, the same flavor as textiles. The current animal leather and artificial leather products dedicated long-term Flavoring agents are woody, grassy, herbal, rose, sandalwood musk, leather, incense, incense and other tobacco flavor.