These are great, especially the 2x2. Super fast. The 4x4 and 5x5 are sandy at first but I broke them in with some cubicle labs silk. Get it, its great.
Even though I didn't buy these cubes directly from TheCubicle, I can say that these cubes are great for the price! One funny thing though is that the 2x2 box is the biggest, the 3x3 box is smaller, the 4x4 is smaller, and the 5x5 is the smallest. Seems kind of counterintuitive, but that doesn't matter if the cubes are great!