Aqua Nappies are fully lined with non skin irration fabrics which have been tested under Australian Standards Product Number 20998754. Safe of kids skins and does not cause any rashers to babies. Swim in the local pools. Our aqua nappies have been approved by council pools and no other nappy is required. Double lined with elastised waist and legs. We have even suggested these nappies for toilet training or put in the nappy bag when you run out of the paper nappies. They are versatile and handy to have.