Karen men and women carry everyday work canvas-like bags like this piece. The bags are often plain, homespun and unbleached. These days, they can be found in a variety of colours. The top border of Pwo bags have designs similar to women's blouses.The Karen is the largest tribal group in Thailand comprising two main divisions (the Sgaw and Pwo) and smaller sub-groups. Originally known to have come from Tibet, they migrated into Thailand from Burma during the 18th century.