specifications the kind synthetic hair extention is very popular in american and african market. 1. composition: 100% kanekalon fiber. 2. length: 8"-30"any size is available; 3. wight: we can make the weight in accordance with clients requestment.100gram/pc; 105gram/pc; 110gram/pc; 113gram/pc. 4. color: any color is available. we can make any color according to clients color ...