Simple Modern · Insulated Travel Drinkware
Simple Modern Classic Tumbler with Straw & Flip Lid
Lower concern; stainless steel body, but verify lid materials with brand.
Simple Modern tumblers use stainless steel bodies, a PFAS-free material. Plastic lid and straw composition unspecified; contact brand for coating details on these components.
Shop Simple Modern on Amazon →Material
Stainless steel tumbler, plastic lid/straw
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
Why this grade
Safe base material
Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).
Category baseline
other is a category where PFAS exposure is more common.
No PFAS disclosure
No public statement about PFAS in this product.
The full breakdown
What it's made of and why it matters
The tumbler body is stainless steel, which is chemically inert and does not leach metals or chemicals into beverages under normal use. The lid and straw are plastic components, likely polypropylene (PP) or similar, which carry minimal inherent toxicity if BPA and phthalates are not added. Stainless steel tumblers are among the safest reusable drinkware options because the metal itself has no known leaching pathway into cold or moderately heated liquids.
The brand's record and disclosure
Simple Modern does not publicly disclose detailed material composition or provide third-party safety certifications on their website. The brand has no established history of recalls related to this product line or chemical contamination. Their silence on PFAS use in lid coatings or water-repellent treatments is common across the consumer drinkware industry and does not indicate a known problem, but transparency is limited.
How it compares in its category
Stainless steel tumblers with plastic lids are a mainstream, mid-tier safety choice compared to ceramic-lined or glass alternatives. They outperform single-use plastics and lower-cost tumbler brands that may use recycled or post-consumer plastic without material specifications. Simple Modern's construction appears comparable to competitors like Hydro Flask and YETI in material class, though those brands provide more detailed material disclosures.
If you buy it
Avoid exposing the plastic lid and straw to prolonged heat or boiling water, as heating can increase any potential leaching from plastic components. Replace the straw and lid every 12-18 months if they show visible wear, discoloration, or odor, as these indicate degradation. Hand-wash rather than dishwasher to extend plastic component life. Do not use for hot beverages above 65-70°C (150-160°F) if you want to minimize any plastic leaching risk, though short-term use with hot drinks poses minimal practical hazard.
Beyond PFAS: other things we checked
Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”
BPA/BPS in plastic lid and straw
No recalls or testing reports available for Simple Modern tumblers specifically. If lid/straw are polypropylene (PP #5), BPA is not typically used; if they are polycarbonate or other plastics, confirmation from the brand is needed. Absence of disclosure does not confirm safety, but stainless steel body itself poses no BPA risk.
Phthalates in plastic components
Phthalates are not typically added to rigid food-contact plastics used in lids and straws, but soft plastic seals or gaskets could theoretically contain them if not specified. No recalls on record for this product. Brand does not provide material data sheets.
Plastic degradation and microplastics when heated
If the lid/straw are exposed to temperatures above their rated limits (typically 70-80°C for most food-contact plastics), visible degradation and potential microplastic shedding can occur. This risk applies mainly to very hot beverages and prolonged heat exposure, not typical daily cold or warm drink use.
Lid/straw material composition uncertainty
Simple Modern does not publicly specify whether lids and straws are recycled, virgin, or contain additives beyond standard PP/silicone. Without material safety data, minor risk of unlisted additives or degraded recycled content remains. Direct inquiry with brand customer service is recommended if concerned.
Stainless steel leaching (unlikely due to material grade)
High-grade stainless steel (typically 18/8 or 304 grade used in drinkware) does not leach nickel, chromium, or other metals into non-acidic beverages at room or warm temperatures. No established hazard for this product category.
What we don’t know
This grade is a model-based estimate from public materials, coatings, and brand disclosure at 72% confidence. It is not a lab result.
No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.
The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.
Formulations and coatings change between production runs. Always check the current label before buying.
Safer alternatives in Insulated Travel Drinkware
Ember
Cold Tumbler
stainless steel with silicone seal
Lower concern; stainless steel tumbler unlikely to contain PFAS.
✓Naturally PFAS-free material
Ember
Tumblers - Set of 4
Stainless steel double-wall insulated
Lower PFAS concern; stainless steel drinkware rarely treated.
✓Naturally PFAS-free material
Ember
Cup 14 oz Slate Black
Ceramic or ceramic-coated stainless steel with heated base
Lower concern. Smart cup uses ceramic coating, not Teflon-type coating nonstick.
✓Naturally PFAS-free material
More insulated travel drinkware 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.