100% Raw Cambodian Hair! Blends well with natural hair! Hair can be curled, flat ironed, bleached and colored. It is recommended that the bundles be washed before installation. For maintence it is recommended that you wash and condition your bundles weekly. It is recommended that for 26 inch bundles or greater that you purchase 3 or more bundles for fullness. Can be reused! Last up to 5 years.