On Course 36 Piece Practice Golf Balls vs Staff Zip Golf Balls: which is safer?
Wilson Staff Zip Golf Balls is our pick: better on PFAS and on the overall hazard picture.
OnCore
On Course 36 Piece Practice Golf Balls
PFAS grade
B 85/100
Overall grade
C 73/100
Verdict
Buy
Hazard flags
⚑ 3
Material
Synthetic rubber cover over solid core
Confidence
72%
PossibleSynthetic rubber degradation and off-gassing
PossibleMicroplastic shedding during use
PossibleWater absorption and mold growth if stored wet
Our pick
Wilson
Staff Zip Golf Balls
PFAS grade
B 85/100
Overall grade
C 77/100
Verdict
Buy
Hazard flags
⚑ 2
Material
Synthetic rubber/elastomer cover, solid core
Confidence
72%
PossibleVolatile organic compounds (VOC) off-gassing
PossibleIngestion hazard (choking)
Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →
More golf equipment & balls: see the full ranking