70/ 100
C
OverallF48/100
Coco Wooden Square Takeout Bento Box

Naturally Chic · Food Packaging

Coco Wooden Square Takeout Bento Box

C · Moderate

Lower concern; wood bento boxes pose minimal PFAS risk unless coated with undisclosed water/grease-repellent finish.

Verdict: BuyWood bento boxes carry minimal chemical hazard if uncoated; Naturally Chic's silence on finishes is the only concern. Safe for food contact as long as no undisclosed sealants are present.

Wooden takeout bento boxes typically contain no PFAS-laden coatings. However, no public information confirms Naturally Chic's specific finish or any treatment applied to this product. If the interior has a glossy or water-resistant coating, request disclosure before purchase.

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Material

Wood (likely bamboo or hardwood composite)

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

Why this grade

Category baseline

food packaging is a category where PFAS exposure is more common.

Hurts the grade

No PFAS disclosure

No public statement about PFAS in this product.

Hurts the grade

Safe base material

Made from a material with no inherent PFAS use (ceramic, mineral, or natural fiber).

Helps the grade

The full breakdown

What it's made of and why it matters

This bento box is likely made from bamboo or hardwood composite bonded with food-safe adhesives. Wood itself does not leach BPA, phthalates, or microplastics into food, unlike plastics. The primary chemical risk depends entirely on what surface treatment (if any) Naturally Chic applied: unfinished wood is inert, but opaque finishes or water-repellent coatings could introduce synthetic resins or undisclosed additives. The square design and food-contact claim suggest it is intended for direct contact with ready-to-eat foods rather than hot liquids.

The brand's record and disclosure

Naturally Chic provides no publicly available material safety data, manufacturing transparency, or third-party certifications (FSC, food-contact testing) for this product. The brand's silence on coating composition is the main disclosure gap; many wooden food containers use epoxy, polyurethane, or wax finishes without listing them. No recalls, safety violations, or documented complaints about this specific model appear in public records. Without certification from NSF, FDA clearance documentation, or manufacturer specs, you cannot confirm whether the finish is food-safe or contains low-concern additives.

How it compares in its category

Wooden bento boxes rank well against plastic alternatives (which carry BPA/phthalate risk) and ceramic boxes (which may have lead in glazes). Most branded wood bento boxes from larger manufacturers (e.g., Hakoya, Takenaka) disclose materials and certifications; Naturally Chic's lack of detail is below that standard. Uncoated or wax-finished wood boxes are chemically simpler than plastic or silicone hybrids, making them a conservative choice if coating composition can be verified.

If you buy it

Do not use in microwave or dishwasher, as heat and moisture degrade wood and can mobilize any surface finish. Hand wash with mild soap and dry immediately to prevent swelling, mold, and degradation of adhesives. Inspect the surface for cracks, splinters, or peeling after 6-12 months; replace if coating deteriorates or wood shows signs of contamination. Store in a dry place; prolonged damp storage risks fungal growth and accelerates breakdown of the box structure.

Beyond PFAS: other things we checked

Established hazard classes for this product type, assessed from public information. These never change the PFAS grade; a Likely flag caps the Verdict at “Buy with care.”

Possible

Adhesive and binder off-gassing (formaldehyde/VOCs from composite)

If this is a bamboo or hardwood composite (plywood-like construction), the glue binding the layers may contain urea-formaldehyde or polyurethane resins. Exposure risk is low for cold food storage but higher if the box is heated or left sealed for prolonged periods. No test data for this specific product is publicly available.

Possible

Surface finish composition undisclosed

Naturally Chic does not specify whether a lacquer, epoxy, polyurethane, or wax finish was applied. If present, these coatings could contain volatile organics (VOCs), low levels of residual monomers, or heavy-metal drying agents. Food contact safety cannot be confirmed without manufacturer disclosure or third-party testing.

Reported

Wood degradation and splinter/crack formation

Wooden food containers degrade over time, especially if exposed to moisture or temperature swings. Splintering poses a physical ingestion risk; splits in wood can harbor bacterial growth if not cleaned thoroughly. This is a durability issue rather than a chemical one, but affects food safety after extended use.

Possible

Microbial growth if not dried properly

Wood is porous and absorbs water. If the bento box is not dried immediately after washing or stored in humid conditions, mold and bacteria can colonize the material, especially at joints and adhesive lines. This risk is inherent to wood food contact ware and requires disciplined care.

None known

Heavy metals in pigments (if colored stains/dyes used)

If the box has colored stains or decorative dyes applied, cadmium or lead could theoretically be present in organic pigments. No evidence of this in Naturally Chic products is on record, and natural wood color suggests minimal dye use. Confirm with the brand if dark staining is visible.

What we don’t know

This grade is a model-based estimate from public materials, coatings, and brand disclosure at 78% confidence. It is not a lab result.

No independent PFAS lab test is on record for this exact product. A lab test could move the score in either direction.

The brand has not made a specific, verifiable PFAS-free statement, so part of this score reflects that missing disclosure rather than a confirmed material.

Formulations and coatings change between production runs. Always check the current label before buying.

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More food packaging 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.