Cupture Review, Is Cupture Non-Toxic?
Cupture averages 73 out of 100 on PFAS Authority's PFAS and toxin screen across the 8 Cupture products graded as of October 2026, and all 8 reach its 70 point pass mark.
Cupture grades Good on our four-band scale. On disclosure, the brand says nothing publicly about PFAS. See what every brand has published about PFAS for how that compares.
PFAS Authority is a scoring system, not a laboratory. We do not test products ourselves. Grades are model-based, built from published ingredients, materials, certifications, brand disclosures and third-party lab results where they exist. See the rubric.
Does Cupture have PFAS, by category
Worth buying from Cupture Good or better, best-graded first
Cupture
TWIST-TOP Vacuum-Insulated Stainless Steel Travel Mug
- Stainless steel interior, vacuum-insulated construction
- We found no PFAS statement from the brand
- Plastic outer shell or lid composition (if present), If the outer shell or lid is plastic, the material…
Cupture
Stainless Steel Skinny Insulated Tumbler Cup with Lid and Reusable Straw
- stainless steel tumbler, BPA-free plastic lid and straw
- We found no PFAS statement from the brand
- BPA & bisphenols, Cupture confirms BPA-free status but does not disclose the specific polymer (PP, acrylic…
4 hazards checked on this product. See all of them.
Cupture
Vacuum Insulated Pint Cup
- Vacuum-insulated stainless steel pint cup
- We found no PFAS statement from the brand
- Stainless steel corrosion and nickel leaching, Vacuum-insulated stainless steel cups may contain 8-12% nickel…
3 hazards checked on this product. See all of them.
Cupture
16 oz Vacuum Insulated Pint Cup
- stainless steel vacuum insulated walls, plastic lid
- We found no PFAS statement from the brand
- Plastic lid degradation and leaching, Resin type of the Cupture lid is not disclosed; common polypropylene…
2 hazards checked on this product. See all of them.
Cupture
Insulated Wine Tumbler Cup with Drink-Through Lid (10 oz, 8 Pack)
- Stainless steel double-wall construction
- We found no PFAS statement from the brand
- Lid material leaching (polymer/elastomer), Cupture does not publicly disclose lid composition; if silicone or…
3 hazards checked on this product. See all of them.
Cupture
Stemless Wine Tumblers 12 oz Vacuum Insulated Mug with Lids
- Stainless steel body, vacuum-insulated double-wall construction
- We found no PFAS statement from the brand
- BPA & bisphenols, The tumbler lid is not stainless steel; if plastic, it may contain BPA or BPS, particularly…
2 hazards checked on this product. See all of them.
Cupture
Travel Tumbler
- Stainless steel or double-wall insulated construction
- We found no PFAS statement from the brand
- Seal/gasket degradation and bacterial growth, Rubber or silicone gaskets in the lid can harbor bacteria if…
3 hazards checked on this product. See all of them.
Cupture
Crystal Click Seal Shake Tumbler Cup for Hot or Cold Drinks
- Plastic tumbler with click seal lid
- We found no PFAS statement from the brand
- Degradation and microplastic shedding from heat or wear, Repeated exposure to hot liquids or dishwasher…
3 hazards checked on this product. See all of them.
What to buy instead Good or better, in the categories Cupture sells
Klean Kanteen
20oz TKWide with Café Cap, Tofu
- Stainless steel bottle, stainless steel cap
- The brand calls it PFAS-free, which we have not verified
- Powder-coat cap degradation over time
3 hazards checked on this product. See all of them.
Klean Kanteen
16oz Rise Tumbler
- Stainless steel body, powder-coat finish
- The brand calls it PFAS-free, which we have not verified
- Powder-coat finish degradation
3 hazards checked on this product. See all of them.
Klean Kanteen
Insulated TKWide Cap
- Stainless steel bottle, plastic cap and silicone gasket
- The brand calls it PFAS-free, which we have not verified
- Silicone gasket degradation and leaching
3 hazards checked on this product. See all of them.
Cupture and PFAS, common questions
- Does Cupture have PFAS?
- Cupture averages 73 out of 100 on PFAS Authority's PFAS and toxin screen across the 8 Cupture products graded as of October 2026, and all 8 reach its 70 point pass mark. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
- Is Cupture non-toxic?
- Cupture TWIST-TOP Vacuum-Insulated Stainless Steel Travel Mug is the highest-graded Cupture product we have scored, at 80/100. It depends on the product line rather than the brand, so check the grade of the exact item you are buying.
- Which Cupture products are lower concern for PFAS?
- The highest-graded Cupture products we have scored are Cupture TWIST-TOP Vacuum-Insulated Stainless Steel Travel Mug, Cupture Stainless Steel Skinny Insulated Tumbler Cup with Lid and Reusable Straw, Cupture Vacuum Insulated Pint Cup. That is our model-based estimate from materials and public disclosure, not a lab test.
Every grade uses the same public rubric. How grades work →