Always ultra night duo multipack of 18 pads (9X2) are sanitary napkins that are 100% leakage free and comes with a good body fit size. The Thick sanitary pads are longer and bigger at the back to handle the heavy flow. These maxi night pads are extra heavy pads that provide upto 8 hours' clean feeling. These night pads are built with a blue gel core to handle the huge flow days. Always ultra night duo provides maximum protection for a better night's sleep. To feel fresh all day long, you should try Always ultra night duo and give you a better night's sleep. The pads with 60% larger back are safest for huge flow days.