Better hip snap placement for longer use Anti-pill microfleece lining True All-in-2 function (multi-use shell) Award-winning fit and function! NOW with a stay-dry, anti-pill microfleece lining, you can choose to tuck in the inserts to use the diaper like a all-in-one! To use it like an all-in-2, simply lay the bamboo inserts ON TOP of the stay dry lining. This allows you to replace the wet inserts and re-use the shell multiple times! Buy extra inserts, not extra diapers! HIP SNAP DESIGN: Helps the diaper fit your baby longer, and better. Comes with 2 bamboo terry inserts (one regular insert and one newborn insert that can also snap to the regular insert as a booster!) One-size fits most 8 - 40lbs. 100% anti-pill microfleece lining. 2 x four-layer bamboo terry insert. 100% TPU outer.