If you are NOT an O2 customer, get your free O2 SIM card here and start enjoying this freebie, as well as lots of other freebies! When you receive it, pop it into your phone and download the Priority app to start getting all their incredible giveaways.

If you ARE on O2, head to your Priority App and look for this freebie.

Score yourself a FREE Fulfil Vitamin and Protein Bar at your nearest participating WHSmith store. There are loads of delicious flavours, including Peanut & Caramel and White Chocolate & Cookie Dough. How delicious! There are 10,000 of these up for grabs so make sure you claim yours before they're all gone!

Claim yours now by clicking 'get me this' for instructions or if you have the app already, head to your nearest WHSmith Travel store and show your O2 priority code to them to get yours for free.

Unfortunately, the offer you were looking for has now expired. Sorry!