It is usually made for important occasions and ceremonies such as weddings, ordinations, and housewarmings.

[2] Thong yip was brought to Ayutthaya Kingdom by Maria Guyomar de Pinha who was eventually enslaved in the royal kitchens after Phetracha gained power in the Siamese revolution of 1688.

[3] Thong yip originates from the Portuguese sweet trouxas das caldas.

It is believed that when thong yip is used in blessing ceremonies or as a gift to anyone, it will bring wealth and success in work; a person can turn something ordinary into gold once picked up.

The number of folds used for thong yip can be 3, 5, or 8, depending on one's preference.