0I cant remember where I got mine from but I know I love and found more for less than 2 bucks so I bought a few more.
I figured someone else likes these as much as I do so am adding the link.
(I dont think any vendors have these but if they do, Mods feel free to delete)
http://www.royaltigerimports.com/index.php?option=com_content&view=article&id=92&Itemid=154#ecwid:category=2274718&mode=product&product=9636158