This practice hair unit is designed for hairstylists, barbers, and salon professionals looking to hone their skills without using inventory reserved for client orders or retail sales.Please note: these units are intended for training and practice purposes only and are not recommended for use on actual clients or for daily wear.Color and skin base thickness selections are random and based solely on current stock. Specific requests cannot be accommodated for practice units. 【Important Notice】This batch consists of slightly defective units. Defect levels vary per item; actual product prevails over images, which are for style reference only.Please rest assured that all defects are minor and will not affect practice use. No hair shedding or base damage will occur.All sales are final – no returns or exchanges.