The Charlie Banana reusable insert value pack contains 3 inserts. Size Small, will fit in size small Charlie Banana reusable diapers or act as a booster on medium and large size as well. They are made of 4 highly absorbent layers of micro terry. They work wonderfully with our Charlie Banana 2-in-1 reusable diapering system and will also fit a variety of cloth diapers. The Charlie Banana reusable insert 3-Pack (Small) features: Charlie Banana highly absorbent washable insert for Charlie Banana Diapers - includes 3 pieces. Use as a booster for night time or longer outings. Healthy, chemical free, chlorine free, optical whitener free. Naturally prevents diaper rash. Super absorbent and durable. Economical and eco friendly.