The Best Uncoated Insulated Drink Tumblers of 2026
All 11 products with no coating at all in our insulated drink tumblers database, graded Bad to Excellent and ranked lowest risk first. 11 earn a buy-worthy grade.
All 11 uncoated insulated drink tumblers, best graded first
- Stainless steel body, no nonstick or special coating mentioned
- Seal and gasket degradation
- Stainless steel tumbler, bare metal
- We found no PFAS statement from the brand
- Nickel leaching from stainless steel alloy
2 hazards checked on this product, all on its full breakdown.
- Stainless steel interior and exterior, no coating disclosed
- Elastomer gasket and closure degradation
3 hazards checked on this product, all on its full breakdown.
- Stainless steel (uncoated interior and exterior)
- Nickel leaching from stainless steel
2 hazards checked on this product, all on its full breakdown.
- Stainless steel, no coating disclosed
- We found no PFAS statement from the brand
- Bacterial growth in crevices
- stainless steel, uncoated
- We found no PFAS statement from the brand
- Trace nickel or chromium leaching
2 hazards checked on this product, all on its full breakdown.
- stainless steel tumbler, no nonstick or waterproof coating documented
- We found no PFAS statement from the brand
- Gasket/seal material degradation
3 hazards checked on this product, all on its full breakdown.
- stainless steel, no coating specified
- Nickel leaching (from stainless steel alloy)
3 hazards checked on this product, all on its full breakdown.
40oz Stainless Steel Tumbler
- Stainless steel, bare uncoated
- We found no PFAS statement from the brand
- Nickel leaching (stainless steel alloy)
3 hazards checked on this product, all on its full breakdown.
- stainless steel, bare uncoated
- Plastic lid and gasket components
3 hazards checked on this product, all on its full breakdown.
- Stainless steel interior and exterior, no coating disclosed
- We found no PFAS statement from the brand
- Lid and gasket degradation
2 hazards checked on this product, all on its full breakdown.
Every material, ranked together, is in the full insulated drink tumblers ranking →