Specifications 1. training head 2. length: 8-30" 3. material: 100% human hair 4. color: any color is available 5. density: 50-130% description for training head, teaching head, practice head, lesson wig1 Hair length 8-30inch 2 Hair weight 110-160g 3 Hair color any color is available 4 Hair material 100% human hair, animal hair, synthetic or mix together 5 Hair Density Extra light, Light, Light Medium, Medium, Medium/ Heavy, Heavy ( 50% -180% ) 6 Hair Style straight, yaki, wave, curly or customer' s requirment 7 Hair direction normal and natural implantation 8 Mannequin material rubber or fiberglass 9 Mannequin Face many kinds of faces, also can according to costomer' s model 10 Other characteristic can be shampooed and reconditioned