100% Chinese hair pre-bonded hair extension U-tips hair: Hair length:18", Hair color:18# 1gram/strand, Deep wave ---------------------------------------------------------------- 100% human hair;(Chinese Hair, Indian Hair) Style: Curly Nail/Keratin tip Human Hair Extension in U-tip,V-tip,I-tip,flat tip, Micro-ring Length: 12 inch-24 inch(30cm-60cm) Color: 1#, 1B#, 2#, 4#, 5#, 6#, 8#, 10#, 12#, 14#, 16#, 18#, 22#, 24#,27#, 30#, 33#, 144#, 350#, 613# and so on Weight: Usually 0.5g/strand ,0.8g/strand,or 1g/strand provided, yet it can be customised accordingly. Package: Cardbord within plastic bag; Minimum order: 1000 strands for each type and each size Our promise: Products provided are no difference with the sample.