These inserts are designed to enhance the absorbency of your cloth diapers: they can also be used inside covers. The material of these inserts, which are made of 100% microfiber (polyester), is Oeko Tex Standard 100 certified. In contact with your baby's skin there is a layer of soft microfleece, which will leave his skin dry. They are available in 3 sizes: S from 2.5 kg upwards; 10 x 28 cm (4.40 euros) M from 3.5 kg upwards; 12, 5 x 51 cm (4.90 euros) L from 10 kg and up; 12.5 x 38 cm (5.70 euros) They are very soft, super absorbent and dry quickly. They can be machine washed at 60° (NO fabric softener, NO bleach).