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Treat yourself to free 4 cookies from your nearest Millie's Cookies store using O2 Priority Moments.
There's no need to buy anything, simply open the Priority Moments app using your smart phone and show the Millie's Cookies code at your nearest Millie's Cookies store to get your free cookies.
If you're an O2 customer but don't have Priority Moments, simply text MOMENTS to 2020 or register online on the O2 website.
This offer is only available to O2 customers using the Priority Moments app.
Only one set of free cookies per person.