Posting box-the carrier of letters, the sustenance of emotion. More than ten years ago, the Internet was not popular. We communicated with our friends in the form of letters. Our brand story around the theme of "letters" takes the shape of the mailbox as the design starting point, and the product manual is also designed in the form of letters, so that drinking can return to emotion and become feelings in life. I hope the distance between people will not get farther and farther because of the convenience of time and space...