via Kajo Mag, 06 Mar 2019: An overview of jar burials in Borneo.
Today, the act of putting several family members in a large tomb is still practiced by some of the Kayan and Kenyah communities in Sarawak. Except that these large wooden chambers are now made of bricks and look like small, well-decorated houses.
However, the custom of jar burial in Borneo is no longer practiced and have been replaced by the more conventional wooden casket.