IKEA KAPTENSFISK bento lunch box
Lower concern bento box; PP is not associated with PFAS plastic.
IKEA KAPTENSFISK is a polypropylene food container with no reported PFAS coatings or treatments. PP is a basic plastic with lower PFAS risk, though no brand disclosure on testing confirms this.
We flunk more products than we pass. This one earned its grade. How we grade
Material
Polypropylene (PP) plastic container
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
What IKEA KAPTENSFISK bento lunch box is made of, ingredients and materials
KAPTENSFISK is polypropylene (PP), a thermoplastic classified as #5 in recycling codes. PP is one of the few food-contact plastics with no documented BPA or phthalate formulations by design, as it does not require these additives for flexibility or hardness. The main concern with PP is microplastic shedding if scratched or heated repeatedly, but this is a wear-and-tear issue rather than a manufacturing hazard. IKEA does not disclose proprietary additives, colorants, or processing details for this product.
What’s concerning
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
No PFAS disclosure
No public statement from the brand about PFAS in this product.
Microplastic shedding from degradation
Microplastic release from PP is a consequence of wear, thermal stress, or UV exposure over time rather than a manufacturing defect. Risk increases with scratching, heating, and age; proper care (cool-water washing, avoiding heat and sun) minimizes this.
Off-gassing of volatile organic compounds (VOCs) or residual monomers
New PP food containers may release trace monomers or processing residues during initial use. Rinsing with cool water before first use and airing in ventilation can reduce exposure. This is typical for mass-produced plastics and diminishes after repeated washing.
What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
BPA & bisphenols
Polypropylene formulations do not require BPA or BPS as plasticizers. No recalls or independent testing of KAPTENSFISK for BPA have been reported.
Source, FDA ↗Phthalate leaching
PP is rigid and does not require phthalate plasticizers. This hazard class is not applicable to this material.
Lead
IKEA does not disclose colorant chemistry for KAPTENSFISK. European food-contact standards limit heavy metals in plastic articles, but independent verification of this product is not on public record. No recalls for heavy metal contamination have been reported.
Source, ATSDR ↗The full breakdown
The brand's record and disclosure
IKEA has published general sustainability commitments but remains silent on chemical testing, third-party certifications, or PFAS presence in food-contact products. The company has not recalled KAPTENSFISK for chemical or safety defects on public record. No independent lab testing of this specific product for BPA, phthalates, or heavy metal pigments has been published. IKEA's food-product lines typically meet European food-contact regulations (EU 10/2011) by default, but this does not mandate transparency to consumers.
How it compares in its category
PP bento boxes are among the lowest-risk food-storage plastics. Glass alternatives eliminate plastic leaching entirely but are heavier and breakage-prone. BPA-free polycarbonate (PC) bento boxes exist but carry stigma from prior BPA use. Silicone containers avoid leaching but cost more and are harder to inspect for wear. KAPTENSFISK's PP construction places it in the safer half of mass-market lunch-box options, with no inherent chemical red flags compared to competitors in the same price tier.
If you buy it
Do not heat food in this container in a microwave, oven, or dishwasher above 60 degrees Celsius (140F), as PP begins to degrade and may shed microplastics. Inspect regularly for cracks, cloudiness, or scratches; replace if visible wear develops. Hand wash in cool water with mild soap and dry immediately to extend life. Do not store fatty, acidic, or hot foods long-term, as these conditions accelerate plastic degradation. Store out of direct sunlight to slow photo-oxidative wear.
What we don’t know
- Basis
- Model estimate, 72% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- IKEA has made none
Formulations change between production runs, so check the current label. How we grade.
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Snapware
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- Leaching from glass matrix or lid seals
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OXO
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- Lid/gasket polymer leaching
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More lunch boxes grades
How we score, every product runs through the same public 0-100 rubric based on materials, coatings, brand disclosure, lab findings, and recalls. See the full methodology → Spotted a mistake? Report an error.