If you're in Europe, you can order it directly from their site
HERE - shipping is €12.90, but IMO it's the best food out there, and it's worth every penny.
^ They also have smaller bags, if you don't want to purchase 2.5kg. Personally, I only have one Syrian - but I still buy the 2.5kg, because it saves you money overall and it stays fresh even with just one ham eating it.