An expandable product for children is a product that, with certain attachments and adjustability (with elastic, button, cord, ribbon, strap, buttonhole, etc.), makes the product adjustable / expanded / reduced / adjusted according to baby's growth both in height and in waist (width) for a period of about 2 years. EXPLANATION AND DETAILS through pictures and links on expanding, adjusting, adjusting and using a KIDissue baby clothing article.