100% Raw Indian Hair, 100% Raw Veitmenese Hair, Kinky Straight and 100% Virgin Hair (Color 613)! It is recommended that the hair be washed before the installation. Hair can be flat ironed, curled, bleached and colored. Blends well with natural hair.  Raw tapes last up to 5 years. Can be retaped and reused.  50grams/20pcs is what comes in each bundle with extra tapes.