Can you use reusable nappies with newborn babies? Grace June 02, 2021 02:28 Follow Our Reusable Nappy has been tested to fit babies between 5kg and 18kg – so it depends on the size of your newborn! Related articles How long do Reusable Nappies last? What does One Size Fits Most (OSFM) mean? How long do reusable nappies take to dry? What do I do with soiled Reusable Nappies when I’m out and about? How often do I need to change the reusable nappy? Comments 0 comments Article is closed for comments.