Purchase any Pringles specially marked 134g can with a unique promotional code on the seal from any store in Australia or New Zealand that sells the Participating Product then;
b) visit www.pringles.com/anz/xbox;
c) follow the prompts to the Promotion entry page; and
d) fully complete and submit the online entry form with personal details as requested and enter the promotional code from the Participating Product purchased.
All entrants who complete the above will also receive a bonus 7 Day Xbox Game Pass Ultimate code sent to their email address specified on entry. Maximum of two (2) 7 Day Xbox Game Pass Ultimate codes permitted per person. Limit to receive one (1) 7 Day Xbox Game Pass Ultimate code per valid entry form submission.
Maximum of 2 codes per email on Pringles but I suppose you can just use another email to claim further as Pringles isn't tied to the Xbox account.