E.S.
Potty training diapers are a complete waste of money, imo. They send the wrong message to the brain...mommy says it's different, but it doesn't FEEL any different. Not worth the ridiculous high price/low quantity switch from regular diapers.
You could use cloth diapers or you could use the thick potty training underwear (what we used).
You can put the plastic pants over them if you are so inclined-though they are pretty absorbent.
HTH!