Made with waterproof softshell outer and awj inner for extra gentleness. The fdr (fold-down-rise) on these make them so versatile to get the perfect fit especially on tinier newborn leggies. Suitable for day or night use. Use over fully absorbent nappies ie. flats/inserts/prefolds etc. Note Inserts sold SEPERATELY Always dry covers in shade for longevity and to to ensure color doesn't get affected by the sun.