Features: Its microfibers stay firmly in place through wind, rain and perspiration for longer-lasting results. The hair building fibers can be mixed to find the closest matched color to your hair. Specification: Item Type: Hair Building Fiber Optional Colors: Black, Dark Brown, Medium Brown Net Weight: 100g Package Weight: Approx. 116g Package List: 1 x Hair Building Fiber Note: For external use only.Discontinue use if discomfort occurs.Avoid contact with eyes. Avoid inhalation. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.