Reading the Label
One strain, start to finish, nothing blended in.
"Strain-specific" shows up on a lot of pre-roll packaging, but it is worth actually breaking down what it means, because not every product on the shelf can say it honestly.
A strain-specific blunt is rolled entirely from one strain of flower. No blending two or three strains together to hit a target price or use up leftover product. What is on the label is what is actually inside the wrap, start to finish.
Every strain carries its own terpene profile, which is what actually drives flavor and aroma. Blend strains together and you get a muddier, less distinct flavor. Keep it strain-specific and you get the real character of that particular cultivar, whether that is something sharp and gassy or something sweeter and fruit-forward.
Blended products can vary a lot from batch to batch depending on what got mixed in that round. A strain-specific product is easier to predict, because a King Louis or a Purple Haze is going to smoke roughly the same way every time you pick it up, batch to batch, drop to drop.
If you found a strain you liked, strain-specific means you can go back and get essentially the same experience again. That is harder to promise with a blended product where the recipe is not fixed. Look for a clear strain name on the package rather than a generic flavor or category name, that is usually the tell.