Plastic Lip Rings Where Can A Buy Cheap Plastic/bioflex Lip Rings?

Where can a buy cheap plastic/bioflex lip rings? - plastic lip rings

I have tried to find a cheap plastic / labrets nose for a while.
Where are they?
Help?
I've had some, but I do not want to buy up to 5 or 15 Euros.
I just want a pair, Cheap Cheap!

Any tips?