Thank you for viewing. With a 3D air structure, it adheres 360 degrees, is absolutely undetectable, and is the perfect item for adding a little volume. Material Composition: 100% Human Hair Size: Length: Approximately 30cm, Base Size 5x8cm Type: Straight Color: Dark Brown (Natural Black and Brown are also available) *Because it is 100% real human hair, a few gray hairs may be mixed in. You can remove them if you are concerned. *The hair's initial kinks from opening can be restored to a natural style by lightly wetting it with water and setting it with a hairdryer.