It grows fast though, doesn't it?You can go to your local deli and ask for a condiment cup. For slings that small I have a nacho cheese cup that I got from taco bell that works just as well. Smaller enclosures make it easier to keep track of small slings so you might want it find something smaller.
It doesn't matter how fast a T grows, you get a new container as needed.It grows fast though, doesn't it?