Is Stasher PFAS-free?
Across 8 graded products, Stasher averages B (81/100). On disclosure, the brand claims its products are PFAS-free (self-declared). 8 of its products grade C or better. Grades are model-based estimates, not lab results.
Worth buying from Stasher C or better, safest first
Stasher
Premium Silicone Reusable Food Storage Bags Multi
Food-grade silicone (primary); no Teflon-family coating
Lower PFAS concern, silicone bags with credible PFAS-free claim and third-party testing.
✓Verified PFAS-free by a third party
Stasher
Original Bags 4-Pack
Silicone (platinum-grade food-safe silicone)
Lower concern, silicone reusable bags with verified PFAS-free claim and third-party certification.
✓Lab test found no PFAS
Stasher
Storage Bag 4-Pack
Silicone (platinum-grade)
Lower concern, third-party verified silicone bags with no PFAS detected.
✓Lab test found no PFAS
Stasher
Premium Silicone Reusable Food Storage Container
Food-grade silicone (no Teflon-family coating or Teflon-type coating)
Lower PFAS concern, silicone containers don't require the coatings that trap PFAS, but brand offers no explicit disclosure.
⚠Risky category by default
Stasher
Premium Silicone Reusable Food Storage Lunch Starter Kit
Food-grade silicone
Lower PFAS concern, silicone food storage avoids common PFAS-prone coatings, but no public PFAS disclosure from brand.
⚠Risky category by default
Stasher
3-Pack Reusable Silicone Storage Bags
platinum-grade silicone
Lower-concern option; silicone bags avoid Teflon-type coating/nonstick coatings, but brand lacks explicit PFAS commitment.
⚠Risky category by default
Stasher
Stand-Up Mega Bag
silicone (platinum-grade silicone)
Lower-concern choice; silicone-based bag with explicit PFAS-free claim and third-party certification.
⚠Waterproof or stain-proof treatment
Stasher
Mega Stand-Up Bag
silicone (food-grade, Teflon-type coating-free)
Lower-concern reusable food bag; brand explicitly avoids PFAS and holds third-party certification.
⚠Waterproof or stain-proof treatment
Every grade uses the same public rubric. How grades work →