Anyone know of a hair product called system 21 in green tub, used for sculpting hair styles?

really good hair product that i loved, but can't quite remember the name, think it's system 21 but can't find it anywhere....Anyone know of a hair product called system 21 in green tub, used for sculpting hair styles?
I've heard of it, and I know where to get it. They have it at my local Store. Joe's General.

makeup 2009