Question about panty liners??

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Hi ladies. This isn't related to TTC, but I was hoping you could share whether it is easy to find panty liners of this style in Australia and New Zealand?
I know thongs are footwear over there...but hopefully it translates 😅 I think I've heard they're called g strings?
I'm going on an extended backpacking trip while pregnant, and these liners are the only thing that saving my sanity from the pregnancy discharge. Just wondering if I should bring enough to get me through the whole trip, or if I'll be able to easily pick up more when I run out.