Kekoa Core | Trial Pack9Our Kekoa Core trial pack gives you the ultimate opportunity to try New Zealand's popular ORIGINAL flexible stretch nappies. Each pack comes with all you need from newborn through toilet training to give you a feel of our system. The small insert is best used solo or with another on the smallest setting for newborns). It can then be paired with the standard size insert as baby grows to provide 12 layers of bamboo terry. Our custom designed inserts