Its event horizon, the outer edge inside which not even light can escape from the black hole's gravitational pull, would be only about 7.5 million kilometres.
The capsules are arranged as pixels and electric charges applied to each pixel pull either the black or the white particles towards the top of the capsule (and the opposite colour to the bottom).
But the Canadian company said Thursday that its decision this week to pull its popular black yoga pants off the shelves because the fabric showed off too much of their wearers will dent their financial results for this year.
Black holes are believed to be so dense that not even light can escape their gravitational pull once it crosses over its theoretical border, known as the event horizon.