Haku lei is a type of Hawaiian lei that is worn on the head. It is typically made from various fresh flowers, foliage, and other natural materials woven together into a circular or semi-circular shape. The flowers used in a Haku lei can vary depending on the occasion and the availability of flowers. Common flowers used in a Haku lei include plumeria, orchids, hibiscus, pikake, and maile. Other materials, such as ferns, leaves, and grasses, can also be incorporated to add texture and interest to the lei. Haku leis are often worn at special events such as birthdays, weddings, graduations, and hula performances. They are a beautiful way to embrace the island's culture and traditions.