ColourPop Trap is a neutral-toned, light-medium mauve with a matte finish. It is a permanent lipstick that retails for $6.50 and contains 0.11 oz.
ColourPop Trap Ultra Matte Liquid Lipstick ($6.00 for 0.11 fl. oz.) is a subdued, gray-ish mauve with hints of pink and an ultra-matte finish. The texture is lightweight, a little runny but with substance, so one coat is more than enough product for both top and bottom lips. It has a quick dry down, so you'll want to work quickly. I recommend applying to either the top or the bottom lip, then going to the opposite lip to maximize your working time. This one seemed to "crack" a little more after the dry down than some of the other shades, so I liked to relax and smile as it was drying down, which helped the color dry down more smoothly overall. Once it dries down, it feels fairly weightless and doesn't feel clingy, though if you put your fingertip to your lip, it has a dry "feel." It will emphasize lip lines but wore down evenly over an eight-hour period. It was non-drying until the very last hour. It was mostly transfer-proof, though if you do more than pat your lips with a napkin, it does flake off very slightly. I don't have any good dupes for this one, so hopefully readers more familiar with all of the liquid lipstick offerings on the market may be able to chime in with more. NARS Catfight (P, $26.00) is more shimmery, darker. MAC Fun Finds (LE, $16.00) is lighter, glossier. See comparison swatches / compare dupes side-by-side.
FURTHER READING: Formula Overview, which is a detailed review of the range as a whole.