Reynolds Slow Cooker Liners vs Slow Cooking Liners: which is safer?

Slow Cooking Liners is the clear pick. Reynolds Slow Cooker Liners carries a failing PFAS grade, and we never recommend buying a failing product.

Crock-Pot

Reynolds Slow Cooker Liners

PFAS grade

F 15/100

Overall grade

F 0/100

Verdict

Skip

Hazard flags

⚑ 4

Material

plastic film (polyethylene or similar), coating unspecified

Confidence

35%

PossiblePlasticizer and slip-agent leaching

PossibleCoating composition opacity (potential PFAS or other Teflon-family coating)

ReportedHeat-induced polymer degradation and microplastic shedding

Why this grade

Our pick

If You Care

Slow Cooking Liners

PFAS grade

A 100/100

Overall grade

B 88/100

Verdict

Buy

Hazard flags

⚑ 3

Material

Unbleached parchment paper

Confidence

78%

PossibleThermal degradation and smoke at high heat

PossibleMold or bacterial growth if stored wet or damp

PossibleAdhesion failure and paper fragments in food

Why this gradeBuy

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 slow cooker liners: see the full ranking