lipbalmtubes.com is a division of Rustic Escentuals and offers numerous sizes and shapes for your lip balm recipe; tubes, jars, plain white, colors and much more. They also carry accessories for making your recipe and the shrink wraps.
I make lip butters and use their tubes for my recipe and love their products. Prices are very competitive!
Let them know you found them on Artists & Crafters Supply Community.