Patagonia · Waterproof Bags & Luggage
Black Hole Mini MLC Patagonia
A water-repellent or grease-resistant treatment of unstated chemistry, with a brand PFAS statement we have not verified.
Patagonia says 100% of its new products from Spring 2025 are made without intentionally added PFAS. We record that as an unverified brand claim. Its record describes a water-repellent or grease-resistant treatment of unstated chemistry, which is still counted.
Brand says: “Patagonia says 100% of its new products from Spring 2025 are made without intentionally added PFAS.”
The better-graded swap
Kelty
Kelty Daisy Chain Web Duffel Bag
85/100 safety
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
Nylon with water-repellent coating treatment
Brand disclosure
Brand claims PFAS-free
Lab data
No public lab test
What’s concerning
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
Waterproof / stain-resistant treatment
Water-repellent coating treatments have historically used PFAS.
Nylon degradation and microfiber release
Extended UV exposure or abrasion can cause nylon fibers to shed; this is not unique to Patagonia products but is inherent to nylon bags. Risk is minimal during normal storage and use, and any shed fibers remain external.
What’s reassuring
Brand-stated PFAS-free
The brand states this product is PFAS-free. We have not verified the claim.
water-repellent coating durability and reapplication chemistry
No hazard is on record for the water-repellent coating treatment itself or for standard reapplication products. The unstated formulation of Patagonia's water-repellent coating treatment means ingredient verification is not possible for consumers, but the brand's PFAS-free claim suggests lower-concern chemistry.
Off-gassing or volatile emissions
Nylon bags do not typically off-gas volatile organic compounds under normal storage and use. No off-gassing concerns have been reported for this product or material class.
Seam integrity and water ingress
The waterproof seal depends on the quality of seams and zippers, not on hazardous materials. Failure of these components is a functional issue, not a chemical safety hazard.
Heavy metals
No contamination with lead, cadmium, or other heavy metals in dyes has been reported for Patagonia nylon products. The black color is standard for this material and carries no known metal-based concern.
Source, FDA ↗The full breakdown
What it is made of and why it matters
The Black Hole Mini is constructed from nylon fabric with a water-repellent coating (water-repellent coating) treatment applied to the surface. Nylon is a synthetic polymer that resists moisture and degrades slowly in the environment, but poses no acute chemical hazard to the user during normal handling or storage. The water-repellent coating is the surface that contacts water and gear; its chemistry is not publicly specified by Patagonia, though the brand has made a PFAS-free commitment. Nylon itself does not leach hazardous compounds into food or skin under typical bag use conditions.
The brand's record and disclosure
Patagonia has a documented public commitment to eliminating PFAS from its supply chain and has published transparency reports on this effort. The company does not, however, publish detailed chemical specifications for every treatment on every product, which is common in the outdoor apparel industry. No recalls, safety alerts, or established controversies regarding the Black Hole Mini's material safety have been recorded in public sources. Patagonia's stance on chemical disclosure is more open than many competitors, though verification of PFAS-free status for individual batches is not independently available to consumers.
How it compares in its category
Waterproof bags typically rely on either synthetic coatings (polyurethane, silicone, or fluorocarbon-based water-repellent coating) or sealed seams. Nylon with water-repellent coating is a mid-range standard that balances durability, repellency, and cost. Products using older C8 PFAS formulations or those with no brand transparency present higher chemical concern. The Black Hole Mini sits in the transparent, lower-PFAS category of the market; competitors using unspecified treatments or PVC-lined alternatives carry more uncertainty about chemical composition.
If you buy it
Store the bag in a cool, dry place away from prolonged direct heat or sunlight, which can degrade the water-repellent coating over time. Wash by hand with cool water and mild soap if needed; avoid dry cleaning or harsh chemicals, which may compromise the water-repellent finish. Reapply a commercial water-repellent coating treatment (following Patagonia's guidance) every 1-2 years if water no longer beads on the surface. Do not use as a food storage container or for long-term contact with skin; it is designed for gear protection, not intimate personal use.
What we don’t know
- Basis
- Model estimate, 45% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Patagonia has made a specific claim
Formulations change between production runs, so check the current label. How we grade.
Better-graded alternatives in Waterproof Bags & Luggage
Kelty
Daisy Chain Web Duffel Bag
Polyester webbing and nylon
Azo dyes in polyester webbing
Limited concern
Adhesive and seam-tape volatiles (VOC)
Limited concern
Formaldehyde / VOCs
Limited concern
Microplastic shedding from webbing degradation
Limited concern
Standard duffel bag, low PFAS risk but no transparency.
⚠Brand says nothing about PFAS
Granite Gear
ToughSack Assorted Colors
Cordura nylon fabric
Heavy metals
Limited concern
Low risk. Durable nylon pack without water treatment applied.
⚠Brand says nothing about PFAS
Salomon
Extended Totebag
polyester/nylon tote fabric, standard construction
Formaldehyde / VOCs
Limited concern
Antimony trioxide in polyester
Limited concern
PFAS
Moderate concern
VOC off-gassing from dyes and finishes
Limited concern
Standard tote with lower PFAS risk but no brand confirmation.
⚠Brand says nothing about PFAS
More waterproof bags & luggage 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.