Wetness indicator that turns blue when your baby pees, indicating a possible nappy change, Navel-friendly shape of the nappy provides a comfortable fit around the navel, Cotton-like softness for a comfortable feeling on your baby's skin, Overlapping-fastening that provide a perfect fit for growing babies, Cotton-like softness for a comfortable feeling on your baby's skin - does not contain cotton, 1 pack = 1 life-saving vaccine against newborn tetanus, Size 2 (Mini)