Lunch boxes & thermoses

Lunch boxes with stainless steel food compartments and identified silicone seals.

Lunch boxes hold food for hours, often at varying temperatures.  Plastic compartments can leach.  Stainless steel interiors with identified silicone seals keep the food-contact surface stable.

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What we avoid

These are category-level exclusions when materials or treatments are disclosed.  Each product card explains why we recommend it and lists the disclosed materials.

Parabens Phthalates Synthetic fragrance Sulfates (SLS/SLES) Formaldehyde releasers