A red packet, or hóng bāo (红包), is a traditional gift often given at weddings and other joyful milestones in Chinese culture. The red envelope symbolizes happiness, celebration, good luck, and blessings for the future, so the gift is meant to carry both practical support and heartfelt wishes for a strong and prosperous marriage.
If you would like to take part in this tradition, start by placing money or gold inside of a red envelope. Then, you can decorate it with your choice of ornaments, like illustrated flowers, pictures of lanterns, tassels, etc...