Person holding 25kg bag of sodium tripolyphosphate food additive

The shot frames a large industrial kraft paper sack held by a person in dark clothing against a neutral background. Even, flat lighting reveals the printed label text clearly while the lower portion of the bag remains in softer shadow.

This exact bag's label in extreme close-up showing FCC/GB standard text and net weight clearly, textured kraft paper surface, side-angle lighting highlighting packaging material quality.