Tiger Corporation · Lunch Boxes
Tiger Pink Lwr-A072 Thermal Lunch Box by Tiger Corporation
Lower concern. Thermal lunch boxes rarely use PFAS coatings.
Tiger's insulated lunch box uses stainless steel and plastic construction typical of thermal containers. No PFAS disclosure found, but this category rarely employs Teflon-family coating coatings.
We flunk more products than we pass. This one earned its grade. How we grade
Material
Stainless steel interior, plastic exterior
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
What Tiger Pink Lwr-A072 Thermal Lunch Box is made of, ingredients and materials
The Tiger Lwr-A072 features a stainless steel interior (food contact surface) and plastic exterior housing. Stainless steel does not leach into food under normal use and is chemically inert across temperature ranges typical of lunch box storage. The plastic exterior is a structural shell, not a food contact material, so it poses minimal direct ingestion risk. The seal and gasket materials are not publicly detailed; if silicone or rubber, these are generally low concern for food storage when not heated.
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.
Mold and bacterial growth in seals and gaskets
Thermal containers with rubber or silicone gaskets are prone to moisture retention and microbial growth if not dried promptly after washing. Tiger does not publish detailed gasket material composition; replacement gaskets should be checked for availability and replaced annually or if visibly degraded.
What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
BPA & bisphenols
Stainless steel lunch boxes do not typically use BPA-containing polycarbonate for non-food-contact exterior shells. No record of BPA contamination in Tiger thermal containers; plastic exterior is structural only.
Source, FDA ↗Phthalates
Exterior plastics in thermal containers are commonly polypropylene or ABS, which do not require phthalate plasticizers. No public recalls or testing alerts for this model.
Source, ATSDR ↗Microplastics
Food contact occurs only with stainless steel interior; plastic exterior does not contact food. Microplastic risk applies only if plastic exterior were directly heated or if it contacted hot food, neither of which occurs in normal lunch box use.
Source, EPA ↗Corrosion or staining of stainless steel interior
Stainless steel does not leach into food and is durable across pH ranges of typical foods. Surface staining from salt or acidic foods is cosmetic and does not create a safety hazard.
The full breakdown
The brand's record and disclosure
Tiger Corporation is a large Japanese home appliance manufacturer with no public record of major food-contact product recalls or contamination incidents. The company does not publish detailed material safety data sheets or third-party certifications for this model. Brand stance on PFAS and BPA is silent, which is typical for mainstream thermal container makers; this reflects absence of commitment rather than transparency, not confirmation of hazard.
How it compares in its category
Stainless steel interiors are among the most conservative designs in the lunch box category and carry lower concern than plastic-lined or coated alternatives. This design avoids the potential for coating degradation, enamel chipping, or leachable surface treatments common in some ceramic or non-stick lined containers. Price and insulation performance are competitive; safety profile is typical of mid-to-premium thermal containers in this segment.
If you buy it
Hand-wash the interior with mild soap; do not use abrasive scrubbers that could scratch stainless steel, though minor scratching does not create a leaching risk. Do not store acidic foods (vinegar, citrus) for extended periods, as prolonged contact may cause minor surface staining (cosmetic, not a safety concern). Replace gaskets or seals if they become cracked, dried, or non-pliable to maintain thermal performance and prevent mold growth in the seal. Store with the lid off when not in use to allow drying.
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
- Tiger Corporation has made none
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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- Stainless steel container, no surface treatment
- 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.