Illa Care Bamboo Extra Night Sanitary Napkins with Wings & Antibacterial Properties Suitable for dry protection during the menstrual cycle, in case of heavy flow or during night sleep. Thanks to the natural properties of bamboo, they offer safety, a feeling of dryness and softness, while at the same time preventing irritation. The S.A.P. granules contained within them, absorb and retain very large amounts of liquids thanks to their conversion into gels. The conversion of the liquid into a gel prevents leakage even in the case of the "sitting position". They have lateral hydrophobic barriers that aim to retain liquids inside.