A topor is a type of conical headgear

Headgear

Headgear, headwear or headdress is the name given to any element of clothing which is worn on one's head.Headgear serve a variety of purposes:...

 traditionally worn by grooms as part of the Bengal

Bengal

Bengal is a historical and geographical region in the northeast region of the Indian Subcontinent at the apex of the Bay of Bengal. Today, it is mainly divided between the sovereign land of People's Republic of Bangladesh and the Indian state of West Bengal, although some regions of the previous...

i Hindu

Hindu

Hindu refers to an identity associated with the philosophical, religious and cultural systems that are indigenous to the Indian subcontinent. As used in the Constitution of India, the word "Hindu" is also attributed to all persons professing any Indian religion...

 wedding ceremony. The topor is typically fragile, made of sholapith

Sholapith

Sholapith or Shola Pith is a dried milky-white spongy plant matter which can be pressed and shaped into delicate and beautiful objects of art....

 and white in colour.

The topor is traditionally given to the groom by the bride's family. The groom dons the topor before the main ceremony begins. It is believed to be bring good luck. Brides will typically wear related, but differently-shaped, headgear .

Topors are also worn by infant boys as part of the annaprashana ceremony, when they are dressed like grooms.