Q1. Hair Length?
Dear friend, 6 inches are in stock, stretching the hair to be straight and then measure.
Q2. Hair Color and Density?
Dear friend, All our hair is natural black.150% density virgin human hair, soft, silky and full.
Q3. 100% Human Hair?
Dear friend, Testing by burning.Human hair has natural protein.It is easy to tell by burning and smell. When it is burnt,human hair has white smoke and smells like wool burnt,and it turns to ash,but synthetic hair will show black smoke and will be a sticky ball.