http://www.amazon.com/SEOH-125mm-Plastic-Test-Tubes/dp/B002J9SIOU/ref=pd_sbs_229_2?ie=UTF8&refRID=1ZC5Z978S9HZ7AQ9PB8Y
This looks like it could work good for storing pre-ground product for filling, or for more stealth use an empty chapstick tube.
They need to do one that's blue/magenta/rainbow tiger stripe, I guess you could customize a plain titanium one with a torch, but would probably void the warranty, maybe "just the tip"