The koala brand express service is flexible, agile, reliable and efficient. According to the inquiry of Koala official website, the auxiliary pattern of the black squirrel in the Koala brand Logo is a lovely black squirrel, which represents the brand's "Koala Express" business. The black squirrel symbolizes the flexibility, agility, reliability and efficiency of the koala brand express service, which is also the service concept advocated by the koala brand. The appearance of black squirrel can make people better associate with the express delivery business of koala brand, and at the same time increase the cuteness and affinity of the brand. In the whole visual image of koala brand, the auxiliary pattern of black squirrel plays an important role, which is not only a part of brand image, but also the embodiment of koala brand culture.