1. The general rule is 1 person 2 packages. You can calculate how many people will attend, then multiply by 2, and add 5- 10% reservation. Colleagues and neighbors who don't attend are also 1 person. Work out how much you need.

2. It is the most cost-effective to buy a packing box online. The matching kind looks good in the box, but it's not delicious inside. You can also buy very beautiful ones online. Like good neighbors, suitable for mass consumption. This kind of box is similar: