We're firmly on the side of "abstract night sky", but if you want to pretend it's some kind of swirling water, that's okay by us. Heck, if you want to get crazy and say it's some kind of tangled alien chest hair pattern, we won't judge. Regardless, it's a striking shopping bag - and it comes with the added bonus of a built-in personality test, since you can immediately analyze and the people around you by what they see in the picture.
