PFAS40/ 100Poor
Overall28/ 100Poor
Strongway 9in. Portable All-Weather Portective Storage Case

Storm Case · Jewelry Cases & Organizers

Strongway 9in. Portable All-Weather Portective Storage Case

Poor

Skip pending materials disclosure. Waterproof coating unspecified.

Verdict: SkipHard polymer case with unspecified waterproof coating poses low acute risk but requires transparency; PFAS status unclear and brand communication absent.

Hard polymer storage case carries undisclosed waterproof treatment. Brand provides no PFAS information or coating details, leaving uncertainty.

The safe swap

Large 2-Layer KOR Kit

Zarges

Large 2-Layer KOR Kit

85/100 safety

85Excellent

Same rubric that flunked this product. The swap earned Excellent.

Still want this one anyway? Check the price on Amazon. We’d swap it.

Material

Hard polymer shell with unspecified waterproof coating

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

What’s concerning

♾️

Waterproof / stain-resistant treatment

Water-repellent treatments have historically contained PFAS chemicals.

65/ 100
♾️

Category baseline

PFAS exposure happens more often with clothing products.

90/ 100
♾️

No PFAS disclosure

The company has not publicly discussed PFAS in this product.

85/ 100
🍳

Unspecified waterproof coating leachables

The coating chemistry is not disclosed; fluorinated compounds, siloxanes, or other hydrophobic agents could leach into contents if the seal is compromised or if the case is used for food storage. Not a typical use case, but risk exists if repurposed.

70/ 100

Polymer degradation and oligomer release

Hard polycarbonate and ABS plastics degrade slowly when exposed to UV, heat, or mechanical stress, releasing low-molecular-weight compounds. Risk is low for external storage cases but increases if contents are stored long-term in hot, sunny environments without protective covering.

70/ 100
⚠️

Mold or bacterial growth in waterproofed seams

Sealed waterproof cases can trap moisture in gaskets and seams, creating conditions for mold or microbial growth if not dried thoroughly after exposure to wet conditions. Not a direct toxicity hazard but a maintenance and hygiene concern.

70/ 100

What’s reassuring

🧠

Lead

No specific testing data or recalls found for Strongway cases. Hard polymer shells typically use safer azo or organic pigments now, but colored plastics from unvetted suppliers can occasionally contain legacy lead-stabilized colorants; brand transparency would clarify this.

Source: ATSDR
95/ 100

Volatile organic compound (VOC) off-gassing

New plastic cases may emit trace VOCs (toluene, xylene) during the first weeks; ventilation indoors minimizes inhalation risk. No specific emissions data published for this model; standard plastic curing practices suggest risk is low and temporary.

95/ 100

The full breakdown

What it's made of and why it matters

Strongway's 9-inch case is built from hard polymer (likely polycarbonate or ABS) with an undisclosed waterproof surface treatment. The coating is the critical unknown: waterproofing layers often use PFAS-based or other fluorinated compounds to repel water and oils. Without specification, you cannot rule out either legacy fluorinated hydrocarbons or safer alternatives. The polymer shell itself is stable under normal use but can degrade if exposed to high heat or UV over years, potentially releasing oligomers.

The brand's record and disclosure

Storm Case (parent: Strongway Tools) does not publicly disclose material sourcing, waterproof coating chemistry, or PFAS testing results. The brand has no published certifications (ISO 14001, cradle-to-cradle) and no documented position on PFAS "forever chemicals". This silence is typical for hardware/storage importers but leaves end-users unable to verify safer alternatives. No major recalls or safety controversies are on public record for this specific product line.

How it compares in its category

Portable hard cases exist on a spectrum from uncoated plastic (lower PFAS risk, less waterproof) to marine-grade models with sealed gaskets and disclosed Teflon-family coating coatings (higher PFAS exposure risk but better protection). Strongway occupies the mid-market segment: reasonable durability without transparency. Competing brands (Pelican, Apache) similarly withhold coating details, making this category broadly opaque on fluorochemical content.

If you buy it

Store away from direct sunlight and heat sources (above 60°C can accelerate polymer breakdown). Do not leave sealed in hot vehicles; off-gassing is minimal but cumulative in enclosed spaces. Inspect the shell and coating annually for cracks, scratches, or discoloration; replace if structural integrity is compromised. Clean with mild soap and water only; avoid solvents (acetone, isopropyl alcohol) which can soften the polymer and degrade the waterproof layer faster.

What we don’t know

Basis
Model estimate, 35% confidence, not a lab result
Lab test
None on record for this exact product
Brand statement
Storm Case has made none

Formulations change between production runs, so check the current label. How we grade.

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🫧

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⚠️

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⚠️

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⚠️

Sharp edges and handling injury

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More jewelry cases & organizers 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.