I'M NOT SURE WHY THEY SAY THIS PRODUCT IS FOR 0-2 I GUESS BECAUSE OF THE ELASTIC BAND. IN ALL HONESTY THOUGH IT IS MUCH MORE USEFUL AFTER ABOUT 12 MONTHS. AND THEN YOU MIGHT AS WELL GO UP TO THE NEXT SIZE. ALL IN ALL THOUGH IT DOES WHAT IT SAYS IT WILL, AND PEOPLE LOVE TO COMMENT ON THEM.