This is a great holiday nail polish color! OPI is my favorite polish because of the quality and lasting power. Under The Mistletoe from the 2013 Mariah Carey Holiday Collection is a cranberry jelly red with pink and silver glitter. It looks really pretty and festive. I have already gotten a ton of compliments on it and I've only been wearing it for a week! If you are tired of all the red creme shades this is the color you need to buy!
From the Mariah Carey Holiday Collection 2013, this is a pink-red glitter suspended in a deep red jelly base. I've heard a few people call this "candy apple" red, and that's not a bad description. It's got great depth of colour (as jelly polishes often do) and it's a nice, rich, deep red. The glitter in this is more subtle than you might expect based on how it looks in the bottle, but still quite visible, even in low or indirect light.
Application is good, and the polish dries reasonably quickly between coats. Full opacity in two coats, but I think if you were careful with application, you might get a nice look with one even coat (it would be somewhat sheer, of course). This might also be used as a layering polish, due to its translucency. Removal is absolutely straightforward, no glitter hassles at all.
Just to note, I compared this to China Glaze Ruby Pumps because that, too, is a red jelly glitter and I was curious to see how alike (or not) these polishes might be. They are similar, but Ruby Pumps is a somewhat brighter red than Under the Mistletoe, and the glitter in RP is more prominent. UtM is a deeper red, and while the red glitter is still certainly present and visible, it's not as... well... glittery. You could think of this polish as a kind of more subdued, darker, sexy older sister to Ruby Pumps, I suppose. (I think it's worth having both if you're into red glitter jellies; they're different enough to warrant that.)
I've found the Mariah Carey line kind of hit or miss, and some of the polishes are pretty ordinary, but this one is a winner. Well done, OPI!