These diapers, made from 100% organic cotton, have been approved by the Swedish Environmental License as being quick drying and energy conserving. Very soft and absorbent, the Imse Vimse contour diapers, are very streamline and not bulky at all. They easy to put on and can be adjusted to fit any size baby. This means that these diapers will last from birth to potty. A diaper cover is required.