Material and hair length: 29.5 inches (from forehead to end of back hair). Our manaquinnhead hair is made of synthetic fibers, making it super smooth and superior quality. They are also much cheaper than mannequin heads with human hair Versatile: This mannequin hair practice head can be used by hairdressers, stylists, estheticians, barbershops, hair salons and beauty school students as an educational supply, or as a special gift for girls or boys Multi-function: This hair styling head is suitable for washing, cutting, braiding, straightening, styling, DIY hair, etc., but can not dye, bleaching and makeup. Note: If you want to flatten/curl, it is recommended that the temperature not exceed 150 degrees for no more than 15 seconds at a time Easy to clean: The hair of the trained model head can be washed with a gentle shampoo and is very easy to clean and use, but please do not throw it in the washer and dryer