Slow Cooker Liners, ranked by PFAS safety
15 products graded from Bad to Excellent, safest first. 1 grade Good or better and are worth buying.
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The best non-toxic slow cooker liners, ranked safest first
Bad · Better · Best slow cooker liners
The quickest read, what to skip and the top-graded picks worth buying instead.
Great Value
Better Valu Slow Cooker Liners 4 Count
Skip; coating opaque and PFAS risk unconfirmed.
If You Care
Slow Cooking Liners
Lower-concern option; parchment with verified PFAS-free certification.
Worth buying Good or Excellent, safest first
If You Care
Slow Cooking Liners
Unbleached parchment paper
Thermal degradation and smoke at high heat
Limited concern
Mold or bacterial growth if stored wet or damp
Limited concern
Adhesion failure and paper fragments in food
Limited concern
Lower-concern option; parchment with verified PFAS-free certification.
⚠Risky category by default
Graded and flagged Poor and Bad, we’d swap these
Reynolds
(2 pack) Reynolds Kitchens Slow Cooker Liners, Small (1-3 quart), 5 Count
polyethylene/plastic liner
Lower PFAS concern; basic plastic unlikely to contain PFAS.
⚠Risky category by default
Glad
Slow Cooker Liners - 4 Pack
Plastic (polyethylene or similar polymer liner)
Lower concern; uncoated plastic, but Glad doesn't confirm PFAS status.
⚠Risky category by default
Kroger
20 Count Disposable Slow Cooker Liners and Cooking Bags
Plastic (likely PE/PP) with grease-resistant coating
PFAS
Limited concern
Coating degradation under heat stress
Limited concern
Skip unless Kroger confirms PFAS-free; grease-resistant coatings often use PFAS.
⚠Waterproof or stain-proof treatment
Kroger
Reynolds Regular Size Slow Cooker Liners
polyethylene film with grease-resistant coating
Coating migration (unknown additives)
Limited concern
Thermal degradation of polyethylene film
Limited concern
PFAS
Limited concern
Skip until Reynolds discloses coating; grease-resistant liners often contain PFAS.
⚠Waterproof or stain-proof treatment
Reynolds
Kitchens Slow Cooker Liners
Plastic/polymer liner with unspecified nonstick or release coating
Polymer thermal degradation and leaching
Limited concern
Nonstick coating leaching (Teflon-type coating/fluorinated alternatives)
Limited concern
Microplastics
Limited concern
Unlabeled additives in coating formulation
Moderate concern
Skip until Reynolds confirms coating details and PFAS status.
⚠Nonstick, coating undisclosed
Reynolds
Slow Cooker Liners
Plastic film liner (composition unspecified)
Plasticizer and additive migration
Limited concern
Microplastics
Limited concern
Unidentified additives (opacity agents, stabilizers)
Limited concern
Flame retardants
Moderate concern
Skip; zero material transparency prevents risk assessment.
⚠Nonstick, coating undisclosed
Crock-Pot
Kitchen Slow Cooker Liner
nylon or polyester liner with unspecified coating
Teflon-type coating fume risk (from unspecified nonstick coating)
Limited concern
Microplastic or fiber shedding
Limited concern
Coating delamination or degradation over time
High concern
PFAS
High concern
Skip until Crock-Pot discloses coating chemistry.
⚠Nonstick, coating undisclosed
If You Care
Dollar General Handi-Wrap Slow Cookers
ceramic or ceramic-coated interior (unspecified)
Lead
Limited concern
Ceramic coating degradation and leaching
High concern
Aluminum or metal substrate leaching
Limited concern
Undisclosed Teflon-family coating or resin in coating
Limited concern
Skip; unverified coating on a budget slow cooker.
⚠Nonstick, coating undisclosed
Glad
Slow Cooker Liners
Plastic liner (coating composition undisclosed)
BPA & bisphenols
High concern
Microplastics
Limited concern
Volatile organic compounds (VOCs) or off-gassing
Limited concern
PFAS
Limited concern
Skip; coating opaque and PFAS risk unaddressed.
⚠Nonstick, coating undisclosed
Glad
Dierberg Essential Everyday Slow Cooker Liner
Plastic film liner, coating unspecified
Fluorinated coatings and heat stability
Limited concern
Plastic polymer leaching
Limited concern
Microplastic fragmentation
High concern
Off-gassing and odor
Limited concern
Skip; slow cooker liners prone to PFAS coatings, Glad silent.
⚠Nonstick, coating undisclosed
Kroger
Dining Collection Slow Cooker Liner 10 ct
Plastic slow cooker liners (composition unspecified)
PFAS
Limited concern
BPA & bisphenols
Limited concern
Phthalate plasticizers
Limited concern
Adhesive and release-agent residues
Limited concern
Skip until Kroger discloses liner composition and treatment.
⚠Nonstick, coating undisclosed
Kroger
Home Select Slow Cooker Liners
nylon or polyester fabric, coating unspecified
Unspecified synthetic coating composition
Limited concern
Nylon/polyester thermal degradation
Limited concern
Coating delamination and microfiber shedding
Limited concern
Bacterial or mold growth if mishandled
Limited concern
Skip until Kroger reveals coating; choose uncoated parchment instead.
⚠Nonstick, coating undisclosed
Kroger
Slow Cooker Liners
Polyethylene (PE) film liner with unspecified coating/treatment
PFAS
Limited concern
Microplastic shedding if liner is torn or degraded
Limited concern
PE thermal degradation and odor release above rated temperature
Moderate concern
Migration of unknown additives or breakdown products into food
Limited concern
Skip until Kroger discloses coating; slow cooker liners often have PFAS treatments.
⚠Nonstick, coating undisclosed
Great Value
Better Valu Slow Cooker Liners 4 Count
Nylon or plastic-coated cooking liner; coating composition undisclosed
Microplastic shedding from nylon under heat
Limited concern
Coating degradation and unknown leachates
Limited concern
Adhesive or slip-agent contamination
Limited concern
Structural failure and food contact with slow cooker surface
Limited concern
Skip; coating opaque and PFAS risk unconfirmed.
⚠Nonstick, coating undisclosed
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