Human hair training head: 1 100% human hair 2 Length: 12"-20" 3 Weight: 130-170g 4 Any color and texture is available Human hair training head:Training head is used for students for training such as cutting, dying, curling, straitening and so on, hair style competition, graduate test or other normal practice use in beauty school, hair salon, and other places. We have female and male ones and make ...