How much are the big primark bags?

I really want to get one of these bags but the nearest primark to me is in glasgow which is ages away and so I found this one on ebay but I don't know whether this one is overpriced or not cause Primark don't show their stuff on their website. Please help - http://cgi.ebay.co.uk/NWT-Primark-Weekend-Bag-in-Pink-Blue-Cream-Pattern_W0QQitemZ150420096782QQcmdZViewItemQQptZWomen_s_Bags?hash=item2305bc870e