Unfold your diapers before washing to allow for complete cleaning, and close the Aplix closures of your diaper covers by securing them to the fold back tabs on the inside back of the cover. (cozybums.ca)
They are waterproof and there are the flaps on the front and back of the cover that you can stick the inserts into so once they start getting wet, it doesn't mess up the baby's clothes. (diaperjunction.com)
Once in a while a parent will accidentally let the diaper stick out the front or back of the cover and the moisture will wick out. (comfybummy.com)