Is S'well PFAS-free?
Across 15 graded products, S'well averages A (92/100). On disclosure, the brand says nothing publicly about PFAS. 14 of its products grade C or better. Grades are model-based estimates, not lab results.
Worth buying from S'well C or better, safest first
S'well
Explorer with Flip Straw Lid
Stainless steel bottle with polypropylene lid and flip straw
Lower-concern water bottle; stainless steel core presents minimal PFAS risk, though lid materials remain undisclosed.
✓Bare metal or glass, no coating at all
S'well
17oz Water Bottle With Flip Straw Cap
Stainless steel double-wall vacuum insulation; BPA-free plastic flip-straw cap
Lower concern, standard insulated bottle with no known PFAS-prone components, but cap material undisclosed.
✓Bare metal or glass, no coating at all
S'well
Stainless Steel Water Bottle
Double-wall 18/8 stainless steel
Lower PFAS concern, stainless steel construction avoids typical Teflon-family coating coatings, but brand makes no public PFAS commitment.
✓Bare metal or glass, no coating at all
S'well
London Chimney Water Bottle
Double-wall stainless steel (18/8)
Lower concern; classic double-wall stainless bottle with no known PFAS risk from materials, though brand doesn't explicitly address it.
✓Bare metal or glass, no coating at all
S'well
Kids Traveler with Flip Straw Lid
Stainless steel body, plastic flip-straw lid
Lower concern; stainless-steel core with no known PFAS-prone features, but plastic lid composition unconfirmed.
✓Bare metal or glass, no coating at all
S'well
bottle 17 oz White - Unique Design - 1 bottle You Choose
Stainless steel vacuum-insulated walls; BPA-free plastic lid
Lower concern, stainless steel core is PFAS-resistant, but lid material not publicly detailed.
✓Bare metal or glass, no coating at all
S'well
S well Traveler
Stainless steel exterior, internal water filter (carbon/ion-exchange)
Lower-concern materials, but S'well discloses nothing about filter composition, request details before buying.
✓Bare metal or glass, no coating at all
S'well
40 oz Stainless Steel Traveler
18/8 stainless steel interior and exterior, plastic lid components
Lower concern. Bare stainless steel vessel, check lid material separately.
✓Bare metal or glass, no coating at all
S'well
Recycled Stainless Steel Explorer 24oz Green Jasper
Recycled stainless steel, no coating disclosed
Lower concern. Bare stainless steel carries minimal PFAS risk.
✓Bare metal or glass, no coating at all
S'well
S'ip by S'well Travel Mug
Stainless steel with plastic lid components
Lower concern, but brand silence on materials limits certainty.
⚠Brand says nothing about PFAS
S'well
Mug Pink
Stainless steel double-wall vacuum insulated
Lower concern. Stainless steel construction unlikely to contain PFAS.
⚠Brand says nothing about PFAS
S'well
S'ip by S'well Takeaway Mug
Stainless steel exterior, insulated
Lower concern; stainless steel tumbler with no reported coatings.
⚠Brand says nothing about PFAS
S'well
Vacuum Insulated Travel Mug with Handle
Stainless steel body, plastic handle and cap
Lower concern, but S'well provides no PFAS disclosure.
⚠Brand says nothing about PFAS
S'well
24oz Tumbler with Straw
Stainless steel double-wall with plastic lid and straw
Lower concern. Stainless steel core unlikely to contain PFAS.
⚠Brand says nothing about PFAS
Graded and flagged D and F, we’d swap these
S'well
Water Bottle
Double-wall stainless steel (primary container material)
Lower concern, stainless steel bottles rarely require PFAS, but S'well does not publicly disclose material treatments or PFAS policy.
⚠Stain-resistant finish
Every grade uses the same public rubric. How grades work →