Good find Dolansky
Another seller (with better feedback) on aliexpress has it :
http://www.aliexpress.com/item/ONYX-...857645426.html ($290 though)
It s probably already been said but you can also buy a batch of 2000 pieces on alibaba if you want
http://www.alibaba.com/product-detai...886961893.html 
(the contact lady on this page was in Charbax video :
https://www.youtube.com/watch?v=2Latd8svqno 
)