I want to be sure that this is right - I want to put on the tab that you pull on to open a box - 'open here'. Is - 'Anseo le h-oscailt' correct ? and in Munster Irish would they have another way of saying that ?

I think I'd just say "Oscail anseo."

Redwolf

franc, you started a discussion on that topic a while ago. Check this thread:
http://www.irishlanguageforum.com/viewtopic.php?f=28&t=3521&hilit=open+here

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I'm not a native (or entirely fluent) speaker, so be sure to wait for confirmations/corrections, especially for tattoos.

le hoscailt without hyphen
But it doesn't make much sense.

In your version there is something missing: an imperative.
E.g. Tarraing anseo lena oscailt = Pull here to open it
or Tarraig anso chun é a oscailt (same in Munster dialect)

But I'd stick to plain:
Oscail anseo (anso) é = Open it here

Go raibh maith agaibh. I didn't manage to find my old post here and I thought that it might have been at the other place.
In fact it was a translation given to me a long time ago by someone at the Irish College here in Paris, but I wasn't entirely sure about it.

I've just found the original paper that I was given and in fact it's the other way round - Le h-oscailt anseo - I don't know if that makes any more sense.

My first thought too.