Remy hair: In order to keep its own natural iuster and stay tangle-free, hair are collected strand by strand by hand all the cuticles are arranged in one direction, also called 'cuticled hair'.
Color human hair:
Length: From 3" to 38"
Color: 1#, 1b#, 2#, 3#, 4#, 6#, 8# 10#, 12#, 13#, 14#, 16#, 18#, 22#, 24#, 26#, 27#, 28#, 30#, 31#, 33#, 34#, 35#, 44#, 51#, 60#, 99j, 120#, 130#, 135#, 136#, 144#, 280#, 350#, 450# 550#, 650#, 750#, 850#, 950#, 613#, bug, red, yellow, blue, green, orange, purple, pink etc single
T1b/27, t1b/30, t1b/33, t1b/bug, t1b/144, t2/350, t27/613, t4/99j, t2/red, t1b/blue etc two tone.
Mib/27, m4/30, m33/bugm2/33, m1b/99j, m18/22, m27/613, m30/144, m4/red, m1b/350 etc mixed.