The reusable sanitary pads from Bambaw are made to ensure they cover all the feminine hygiene needs. Therefore, they are available in three different sizes: - Light flow (1 layer of microfiber) - Medium flow (2 layers of microfiber) - Heavy flow (3 layers of microfiber) All reusable menstrual pads are made from three materials: - Bamboo charcoal for a dry and soft feeling, as well as odour control - Microfiber for maximum absorption and quick drying - Waterproof PUL for best protection and slight elasticity - All reusable sanitary pads also have snaps on the wings to make sure they stay in place securely all the time.