You first put in one cap code, then put in the following 3 WalMart codes:
You get 10 bonus points for each code, which gives you 30 bonus points for one cap.
(After you enter your code, you will receive this message):
Thank you for entering your Walmart meals UPC code. If you’ve already entered a participating MCR code within the same session, you have earned 10 MCR bonus points. If you haven’t yet entered your participating PIN code, be sure to enter one now to receive your bonus points. Your bonus points will be credited to your account within 48 hours. Limit 3 redemptions per member per month. While supplies last. Offer begins 5/13/13 and ends 11/30/13.