Flash Black is another one of the Layla's that I ordered from Ulta online. It's a silvery grayish black holo. The rainbow effect of this polish is just so intense, I seriously can't stop looking down at my nails whenever I pass by a bright light. Like I don't think I should be allowed to wear this polish while driving! LOL.
Now here's that super holo rainbow....swoon!
Thanks for looking!