1. Hair weaving is produced by machine. We also have handtied weft. 2.length: 8inch,10inch,12inch,14inch,--------30inch 3. Style: STW, Yaki, Deep Wave, Super wave, Body Wave, Water Wave and so on. 4. color: 1#,1b#,2#------blue,green, red,pink,613# etc. 5. Package: 100gram/pack or 110gram/pack.. 6. hair nature: 100% Chinese natural human hair, Indian natural human hair, Chinese remy human hair and Indian normal human hair can be available. 7.minimum: 30 pieces for same length, style, and color. 8.payment: T/T ,Western union. 9. others: If you have any special requirements, tell us. We will work out to your satisfaction