70Good

Bento Tek Review, Is Bento Tek Non-Toxic?

The verdict
Bento Tek averages 70 out of 100 on PFAS Authority's PFAS and toxin screen across the 4 Bento Tek products graded as of October 2026, and all 4 reach its 70 point pass mark.
Free to quote with attribution to PFAS Authority and a link to pfasauthority.com/brands/bento-tek.

Bento Tek 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.

Worth buying from Bento Tek Good or better, best-graded first

Restaurantware Bento Tek 30 Ounce Bento Box, 1 Stackable 3 Compartment Lunch Container

Bento Tek

Restaurantware Bento Tek 30 Ounce Bento Box, 1 Stackable 3 Compartment Lunch Container

70GoodPFAS grade
  • Polypropylene (PP) plastic
  • We found no PFAS statement from the brand
  • Microplastic shedding or leaching during heating or mechanical stress, Polypropylene can shed microscopic…

2 hazards checked on this product. See all of them.

Full breakdownBuy
Restaurantware-Bento Tek Meal Prep Containers Disposable To Go Food Boxes

Bento Tek

Restaurantware-Bento Tek Meal Prep Containers Disposable To Go Food Boxes

70GoodPFAS grade
  • polypropylene (PP), paperboard
  • We found no PFAS statement from the brand
  • Microplastics, Polypropylene is chemically stable at room temperature but can fragment under repeated…

4 hazards checked on this product. See all of them.

Full breakdownBuy
Restaurantware Bento Tek 40.5 Ounces Stackable Lunch Box 1 Reusable Adult Lunch Container

Bento Tek

Restaurantware Bento Tek 40.5 Ounces Stackable Lunch Box 1 Reusable Adult Lunch Container

70GoodPFAS grade
  • polypropylene (PP) plastic container
  • We found no PFAS statement from the brand
  • Microplastic shedding from polymer degradation, Prolonged UV exposure, repeated thermal cycling, or…
Full breakdownBuy
Restaurantware Bento Tek 29 oz Blue and Yellow Lunch Box BPA-Free, Microwave-Safe Fork and Spoon

Bento Tek

Restaurantware Bento Tek 29 oz Blue and Yellow Lunch Box BPA-Free, Microwave-Safe Fork and Spoon

70GoodPFAS grade
  • plastic lunch box, stainless steel utensils
  • We found no PFAS statement from the brand
  • Microplastics, Microwave-safe plastics are engineered to limit degradation at moderate temperatures, but…
Full breakdownBuy

Bento Tek and PFAS, common questions

Does Bento Tek have PFAS?
Bento Tek averages 70 out of 100 on PFAS Authority's PFAS and toxin screen across the 4 Bento Tek products graded as of October 2026, and all 4 reach its 70 point pass mark. Grades are model-based estimates built from published materials, ingredients and disclosures, not lab tests.
Is Bento Tek non-toxic?
Restaurantware Bento Tek 30 Ounce Bento Box, 1 Stackable 3 Compartment Lunch Container is the highest-graded Bento Tek product we have scored, at 70/100. It depends on the product line rather than the brand, so check the grade of the exact item you are buying.
Which Bento Tek products are lower concern for PFAS?
The highest-graded Bento Tek products we have scored are Restaurantware Bento Tek 30 Ounce Bento Box, 1 Stackable 3 Compartment Lunch Container, Restaurantware-Bento Tek Meal Prep Containers Disposable To Go Food Boxes, Restaurantware Bento Tek 40.5 Ounces Stackable Lunch Box 1 Reusable Adult Lunch Container. 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 →