-The black rubber Koala is a totally new design from Koala-T SAT! Has a unique easy-change cartridge inside the bowl and also includes an extra cartridge with silicone caps as a spare. Pipe cleans much more easily with a cartridge. Matte Black finish.
-The Colored Koala with wooden mouthpiece, is a bullet style with threading on the outside of the bowl for easy unscrewing. Just pack the bowl and put into a purse or pocket for easy travel and use. It has a colored metal finish and wooden mouthpiece.