Wonderfully soft and breathable for your bundle of joy. SmartFlo™ absorbency - absorbs moisture quickly and helps evenly distribute wetness for comfort. Time-to-change wetness indicator - line changes from yellow to blue when it's time to change. Helps prevent umbilical irritation - contoured design is kind to baby's sensitive tummy. Flexi-fit security - helps prevent leaks from sneaking up baby's back. Super-soft leg cuffs - gently elasticated to help prevent leaks. Slim nappy - created for increased freedom of movement. Size-up guide - helps you recognise when it's time to move up a nappy size. Skin Health Alliance Dermatologically Accredited. ASDA Little Angels are the first supermarket own-label nappy brand to be accredited by the Skin Health Alliance.