From the manufacturer Features and Benefits New MamyPoko Pants Extra Absorb with “Crisscross Absorbent Sheet” which absorbs 7 glasses of urine and spreads it equally, so diaper does not look heavy and lasts up to 12 hours. Stretchable Thigh Support prevents thigh gaps and hence prevents leakage. Navel Care Shape is a special cut in the front, so that the diaper doesn’t cover the umbilical cord and hence it stays protected. You can enjoy fun designs from Disney. It looks like a baby underwear. Size:Large | Style:12 New MamyPoko Pants Extra Absorb with “Crisscross Absorbent Sheet” that spreads 7 glasses of urine equally, does not look heavy. So it prevents leakage whole night till morning. Therefore, diaper lasts up to 12 hours and keeps baby's bottom dry so that baby enjoys peaceful sleep till morning.