They could be of any material, not sure.
Gajah Duduk Indonesian Good Quality Stitched Lungi Sarong
Gajah Duduk Indonesian 7000 Premium Class Stitched Lungi Sarong (No Box)
Ruby Stitched Lungi Sarong Good Quality
Mens cotton lungi sarong - clothing for men - Stitched - Multicolour - 2.20m
Mens 100% Cotton Fabric Stitched Sewn Bangladeshi Lungi Traditional Dhoti Sarong
Mens 100% Cotton Fabric Bangladeshi Lungi Stitched (Large Size)
