With the increasing calls for protecting the environment, caring for the earth, and saving resources in the world, the international market has more and more stringent requirements for product packaging. Harmless, renewable and environmentally friendly packaging plays a pivotal role in the export tr

In a study of 174 people, statistical results showed that people expected pink coffee packaging to be "sweet", and green coffee packaging was expected to be "sour". And packaging with sharp patterns is expected to be sour, whether it is pink or green. After the coffee was actually drunk, even if it