The Bri Sri is a blessing ceremony performed to bestow happiness and prosperity to a person or place. The ceremony feature a beautifully-shaped ornament called a khrueng bai sri ton, made of elaborately-folded banana leaves. A container is beautifully decorated with fresh flowers ans banana leaves, It is often used during auspicious ceremonies. The popular forms of the Bai Sri offering are the Bai Sri Pak Cham and Bai Sri Yai.
Bai Sri Pak Cham is small and looks like a bowl. A section of banana trunk can be used to make this form of Bai Sri, which is often used in ceremony to worship deities and in a ceremony to pay homage to teachers. Bai Sri Yai is generally used in significant events , such as a royal ceremony to strengthen the royal Khwan.
According to ancient traditions, a nine-tier Bai Sri is for the King and the Queen, a seven-tier Bai Sri is for a prince or a princess, a five-tier Bai Sri is for the royal guest with the status of a president , three-tier Bai sri is for a miniter or for use in the wedding of a royal grandchild.
Each item used in the making of Bai sri has a significance : the cone of rice means fertility , yellow cassia flower means logevity , Calotropis flowers means long lasting love , boiled eggs sometimes means intelligence, money means good luck and auspicious thread represent the bonds of friendship.