PFAS70/ 100Good
Overall59/ 100Good
Stanley The Textured Everyday Tumbler

Stanley · Insulated Travel Mugs

Stanley The Textured Everyday Tumbler

Good

No coating suggests minimal PFAS concern.

Verdict · SkipStainless steel exterior with plastic interior poses minimal established hazards; no major recalls or coating degradation issues documented for this model.

Stainless steel exterior with plastic interior and textured coating. No nonstick or water-resistant treatment typical of PFAS sources identified.

The better-graded swap

S'well 40 oz Stainless Steel Traveler

S'well

S'well 40 oz Stainless Steel Traveler

80/100 safety

80Excellent

Same rubric that flunked this product. The swap earned Excellent.

Still want this one anyway? Check the price on Amazon. We’d swap it.

Material

Stainless steel exterior, plastic interior with textured coating

Lab data

No public lab test

What Stanley The Textured Everyday Tumbler is made of, ingredients and materials

The Stanley Textured Everyday Tumbler uses a stainless steel outer shell (food-grade and corrosion-resistant) paired with a plastic interior liner and textured coating. The plastic interior is the primary contact surface for beverages; if it is polypropylene or similar base resin, leaching risk is low under normal cold-to-warm use. The textured coating is a surface treatment applied to the plastic; if it degrades over time or with heavy washing, it could shed microparticles, though this is not documented as a widespread issue with this product line.

What’s concerning

♾️

No PFAS disclosure

No public statement from the brand about PFAS in this product.

85/ 100
♾️

Category baseline

The starting point for this type of product, before anything specific to this product is counted.

75/ 100
⏳

Plastic interior coating degradation

The textured coating on the plastic liner may wear or shed microparticles with aggressive cleaning or prolonged use, though no recall or widespread complaint has been documented for this model. Risk is low under normal care.

70/ 100
🫧

Microplastic migration

If the interior coating degrades (scratches, peels), small plastic particles could enter beverages, though this is not an established issue with this product and depends on user care and longevity of the coating.

70/ 100

What’s reassuring

✅

Base material not linked to PFAS

The main material recorded for this product is not one associated with PFAS.

100/ 100
✅

Plastic leaching (base resin)

Stanley does not disclose the specific plastic resin; if polypropylene or similar food-grade plastic, leaching of BPA or phthalates is not expected under typical beverage use at room to warm temperatures.

95/ 100
✅

Aluminum leaching

The exterior is stainless steel, not aluminum, so aluminum leaching is not a concern. The plastic interior is not in direct contact with external metal.

95/ 100
✅

Metal corrosion or off-gassing

Stainless steel (typically 18/8 or similar grades) is chemically inert and does not off-gas or leach heavy metals into beverages under normal use.

95/ 100

The full breakdown

The brand's record and disclosure

Stanley has not made a public stance on PFAS in drinkware and does not provide detailed material certifications or third-party test reports for this tumbler. The brand is known for durable outdoor products and has generally avoided major food-contact recalls, but transparency on proprietary coating chemistry is limited. No established safety controversies specific to the Everyday Tumbler line are on record.

How it compares in its category

This tumbler sits in the mid-range insulated drinkware market. It uses stainless steel and plastic instead of ceramic or enamel coatings, which are linked to lead/cadmium concerns in some vintage or budget enamelware alternatives. Compared to full stainless steel interiors (like higher-end Stanley or Hydro Flask models), the plastic liner slightly increases microplastic or coating-degradation risk, but the risk remains low under normal use. It does not use Teflon-type coating (Teflon) liners, so fume risk from overheating is not applicable.

If you buy it

Use for cold or warm beverages only; avoid boiling water or prolonged exposure above 50-60°C to minimize any plastic degradation. Hand wash or use gentle dishwasher cycles to preserve the textured coating; abrasive scrubbing may accelerate wear. Replace if the interior coating flakes visibly, though durability data for this specific model are not widely published. Do not leave standing with acidic beverages (citrus, vinegar) for extended periods, as this can stress plastic over time.

What we don’t know

Basis
Model estimate, 72% confidence, not a lab result
Lab test
None on record for this exact product
Brand statement
Stanley has made a specific claim

Formulations change between production runs, so check the current label. How we grade.

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More insulated travel mugs grades

How we score, every product runs through the same public 0-100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.