Thirsties Organic Cotton Flat is a single-ply, one-size-fits-all diaper that can be folded in numerous ways to provide customizable absorbency. It is recommended to wash and drying your Thirsties Organic Cotton Flat at least three times before use to rid the fibers of natural oils for maximum absorbency. Try different folds to find the right absorbency concentration for your baby. A fan favorite and the fold we recommend due to its simplicity and performance is the pad fold. Simply pad fold your Thirsties Organic Cotton Flat, and lay it in a Thirsties Duo Wrap or Diaper Cover for a complete diaper system for your baby. Additionally, Thirsties Organic Cotton Flats may be used for additional absorbency in Thirsties Pocket Diapers. Very soft and stretchy jersey knit.