Hair colour patterns are professional and allow you to improve your dyeing technology Hair colour cards are made of real hair feel comfortable and have a good effect Light weight easy to carry Real hair colour test samples can be stored longer Used for collecting color samples and showing to the customers who want to dye their hair Hair colour samples are often used in the beauty salon to test the hair colour before it is applied to the customer Hair colour patterns are suitable for hairdressers colour trainers hair dye manufacturers and hairdressers