This Charlie Banana 2-in-1 eco diapering system contians 2 washable inserts. One size fitting babies 0 to 36 months depneding on babies size. Hybrid option to use a washable insert or a disposable insert. Charlie Banana diaper adjust toyur babies ever changing feature with a safe snap system. Great for everyday and overnight use. Our inserts are highly absorbent making Charlie Banana 2-in-1 reuseable diapering system a trusted choice by mothers around the world. If you always wanted to try a cloth diaper this is the one and you will love its innovative design. For additional information on how to use it visit our website. Disposable inserts sold seperatley.