It’s the square pillow-shaped chip. The others either taste bland as hell, look completely boring, or are so pointless that they can be bought in a separate bag. The square pillow-shaped chip tastes good, it has a nice design, and you can’t find anything like it outside of Chex Mix (with the exception of the Chex cereal, but Chex cereal doesn’t taste like it’s Chex Mix counterpart).