Contigo Kids In Insulated Reusable Lunch Box W/liner,water Bottle
Lower PFAS concern; no premium non-stick or water-repellent coating coatings evident.
Contigo lunch box uses standard PE plastic and stainless steel bottle with no disclosed waterproof or stain-resistant finishes. No PFAS-related certifications or claims available.
We flunk more products than we pass. This one earned its grade. How we grade
Material
Polyethylene (PE) food container and lining, stainless steel bottle
Lab data
No public lab test
What Contigo Kids In Insulated Reusable Lunch is made of, ingredients and materials
The lunch box container and liner are polyethylene (PE), a common food-grade plastic chosen for durability and flexibility. PE does not inherently contain BPA, BPS, or phthalates, the primary endocrine disruptors associated with food storage plastics. The stainless steel water bottle eliminates leaching risk from plastic beverage contact. PE is chemically stable at room and mild warm temperatures, though prolonged exposure to heat or lipophilic foods (oils, fatty meats) can cause minimal migration of residual oligomers.
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.
Microplastics
Repeated thermal cycling, mechanical stress, or UV exposure can cause microscopic PE particle shedding, particularly at worn seams or lid interfaces. Risk is low under typical lunch-box use but increases if container is dropped frequently or stored in direct sunlight.
Source, EPA ↗Oligomer and residual monomer migration into food
PE manufacturing can leave trace oligomers and ethylene residues in the plastic matrix. Migration into food is negligible at room temperature and low levels in warm or fatty foods, but cumulative exposure over years of daily use cannot be ruled out.
What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
BPA & bisphenols
Polyethylene does not contain bisphenol A or S as manufacturing inputs. No evidence of BPA or BPS migration from this product model is on record.
Source, FDA ↗Phthalate plasticizers
PE does not require phthalate plasticizers for flexibility. No documented phthalate content has been reported for Contigo PE food containers.
Coating or adhesive leachables in PE liner
The liner material and adhesive between PE layers are not detailed in available product specifications. No warnings or recalls regarding liner separation or coating residues are on record.
The full breakdown
The brand's record and disclosure
Contigo does not publish detailed material safety disclosures or third-party certifications for this lunch set. No recalls specific to BPA, BPS, or phthalates have been recorded for this model. The brand's silence on PFAS and antimicrobial coatings is typical for mainstream food-storage manufacturers and does not indicate the presence of these substances, only lack of transparency. No formal FDA warning letters or safety controversies are on record for Contigo food-contact products.
How it compares in its category
PE lunch containers are among the lowest-concern mainstream plastics for food storage, ranking below glass and stainless steel but well above PVC and polycarbonate in terms of leaching risk. This product avoids the microplastic fragmentation concerns of low-grade flexible plastics by using solid PE walls. The inclusion of a stainless steel bottle instead of a plastic alternative reduces cumulative plastic contact exposure compared to all-plastic lunch sets.
If you buy it
Store at room temperature and avoid prolonged contact with hot foods (above 60°C) or acidic/fatty items (vinegar dressings, nut butters) that can slightly accelerate oligomer release. Inspect the PE container and liner annually for cracks, cloudiness, or degradation; replace if visible damage occurs. Hand wash rather than dishwasher to extend coating and seal life. Do not use as a heated meal container or microwave; transfer hot food to glass or ceramic before eating.
What we don’t know
- Basis
- Model estimate, 62% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Contigo has made a specific claim
Formulations change between production runs, so check the current label. How we grade.
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- Leaching from glass matrix or lid seals
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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.