There are differences that matter, and there are differences that don't matter. Real Wood Mesquite Lump Charcoal is different than the usual store brands of charcoal, and the difference matters. Lump Charcoal burns hotter and longer, and it gives the food better flavor.
These aren't briquettes. They are chunks of real mesquite wood that have been converted to charcoal the old-fashioned way. You'll taste the difference!