How many thirsties inserts do i need

28 thg 9, Diapers that require a separate cover include Flats, Prefolds, Contoured, Inserts, and Fitteds. Sharing is caring! 30 thg 8, as human beings, we often hunger for feedback. however, many people will tell you that when they do get feedback, it's often because of. The Thirsties Duo nappy system is easy to use, cost effective and quick to dry. The Stay-Dry Duo insert set consists of 2 inserts, snapped together.