... PU base), Under ventilation. We can bleach the front knots or all over.7. Size: 4*6, 5*7, 6*8 ... . Hair length: 6 inches or as per your request.9. Hair density: 80%, 100%, 120%, 140%11. Hair curls&waves: 0.2cm, 0 ... , 2.5cm, 3.2cm, 3.5cm. 12. gray hair: (kanekalon or human )gray hair, percentage according to clients requet. 13, hair ...