**Yes**, bamboo fiber sanitary napkins are made of natural materials. Bamboo fiber is a pure plant hollow fiber, known as the fiber that breathes, with the characteristics of fast water absorption and water conductivity. At the same time, bamboo fiber tissue contains the natural substance bamboo quinone, which has the characteristics of antibacterial, antimicrobial, antistatic, and releasing negative ions, making it impossible for bacteria to survive in the bamboo fiber tissue. Therefore, bamboo fiber sanitary napkin can always keep the sanitary napkin itself clean.