18-Piece Clear Glass Food Storage Container Set vs Glass Meal Prep Set: which is safer?

Pyrex Glass Meal Prep Set is our pick: better on PFAS and on the overall hazard picture.

PYREX 18-Piece Clear Glass Food Storage Container Set

Pyrex

18-Piece Clear Glass Food Storage Container Set

PFAS grade

Excellent 80/100

Overall grade

Good 52/100

Verdict

Buy

Hazard flags

⚑ 4

Material

borosilicate glass with plastic lids

Confidence

88%

PossiblePlastic lid leaching (non-PFAS)

PossibleSeal degradation and bacterial growth

ReportedGlass breakage hazard

Our pick

Pyrex Glass Meal Prep Set

Pyrex

Glass Meal Prep Set

PFAS grade

Excellent 95/100

Overall grade

Good 71/100

Verdict

Buy

Hazard flags

⚑ 3

Material

borosilicate glass with metal lids (likely stainless steel or aluminum)

Confidence

92%

PossibleMetal lid corrosion and leaching

ReportedSilicone or rubber gasket degradation

ReportedThermal shock fracture from glass

Where these two actually differ

  • We flag Plastic lid leaching (non-PFAS), Seal degradation and bacterial growth, Glass breakage hazard and Lid staining and odor retention on the Pyrex and not on the Pyrex.
  • We flag Metal lid corrosion and leaching, Silicone or rubber gasket degradation and Thermal shock fracture from glass on the Pyrex and not on the Pyrex.
  • The Pyrex is borosilicate glass with plastic lids where the Pyrex is borosilicate glass with metal lids (likely stainless steel or aluminum), which is most of the difference in these two grades.

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 food storage containers: see the full ranking