First up, packaging. I have heard some complaints about how little product there is in the twist-up lip pencil shaped packaging, but really what do you expect for $3? I personally really like it. It makes application very easy and they're a breeze to store. I also like the sleek, black look of them. They don't look like a $3 lip product.
Now the formula. It's very smooth and doesn't pull on my lips, though it definitely isn't hydrating (a given, as it is a matte formula). It's extremely opaque, and only needs one blotted coat for full coverage. It's also very long lasting. All the ones I have tried have lasted 4 hours and a couple have even made it through careful meals. I am very impressed with these, however I do wish there was a bigger color selection. They do not have a noticeable smell.
I really like these lipsticks. They feel nice, look good and the packaging is lovely.
Overall:
Opacity 5/5
Packaging 5/5
Stay Power 4.5/5
Shade Range 2.5/5