Colourful Bilum - BoxColourful Bilum Box This bilum is hand woven from acrylic and wool yarn using a traditional weaving technique. The yarn is twisted by placing it on the weaver's thigh and is rolled in a backward and forward motion using hands. The twisted yarns are then hand woven into bilum bags. This process takes a few weeks. Bilums are very versatile and expandable. Each bilum has a story and the patterns are a visual language and authentic to the women who weave