The body of this sarunei bolon is made of hardwood, while the slender and slightly conical funnel is made of softwood (from the jior tree, a species of shade tree). An ornament is attached to the upper end of the body, from which the horn tube support and the coconut shell lip disc hang. The instrument has two plus three small front finger holes and a thumb hole between the first and second finger hole. The mouthpiece (ipit-ipit) is made of river grass (arung).