1)material:
For grade A:  selected100% human hair /  Medium metal clips
For grade AAA:  selected 100% luxury remy hair /  Medium metal clips

2)hair length:
14inch
16inch
18inch
22inch

3)color:
1# 1B 2#  4#  6#  8#  10#  12#  14#   16#   18#  20#   22#   24#  27#  613# 
P2/27  P4/27  P6/27  P24/27  P6/613  P18/22  P27/613
Blue  Green  Light Pink/  Pink  Purple    Red  Yellow

4)hair texture
Silky Straight
Body Wave