PENROSE is simultaneously black and purple, with blue sparkles and opalescent glitter plus fiery copper sparks. From one angle it looks like it's going up, but then it can't possibly be because those steps obviously go...wait, that's the staircase, not the polish. Anyway, it's fabulous and slightly disorienting. Also? GLITTERBOMB. You know how it works -- extra top coat, and a coat of Glassy AF wouldn't hurt.