Reusable Sanitary Pad Light Flow Bambaw's reusable menstrual pads are discreetly in black and 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.