The phrase "toddler stage" refers to a period of a child's life when they are no longer a baby, but are still very young and learning how to walk and talk. Full definition
This hook and loop adjust to fit babies from newborn through toddler stages easily. (pickbabystroller.com)
You can buy them in infant size to well past toddler stage. (consumerreports.org)
Keep in mind by toddler stage they can reach the lower shelves so try to limit those to items you will use up or are safe for little hands. (twiniversity.com)