PFAS30/ 100Poor
Overall0/ 100Bad
Cal King Mattress Protector

· Mattress Protectors

Cal King Mattress Protector, Is It Non-Toxic?

Poor

Avoid until the brand discloses coating chemistry or certifies PFAS-free.

Verdict · SkipPolyester blend with undisclosed waterproof coating poses PFAS uncertainty; use only if you accept risk, maintain properly, replace every 2-3 years.

The brand's mattress protector features waterproof and stain-resistant coatings without public disclosure of chemistry or PFAS status. Mattress protectors typically use PFAS-based durability treatments, and unverified coatings become a red flag without transparency or certification.

The better-graded swap

Avocado Green Mattress

Organic Cotton Mattress Pad Protector

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

Polyester blend with waterproof/stain-resistant coating (unspecified chemistry)

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

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100ExcellentPFAS grade
✓ MADE SAFE Certified✓ Global Organic Textile Standard (GOTS)
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  • The brand calls it PFAS-free, which we have not verified
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2 hazards checked on this product, all on its full breakdown.

Is Cal King Mattress Protector non-toxic? What it is made of

The brand's Cal King protector is a polyester blend with a waterproof and stain-resistant coating of unspecified chemistry. The coating is the functional layer that creates the barrier against liquids, but the brand has not publicly disclosed whether it relies on PFAS-based chemistry (like Teflon-type coating) or alternative water-repellent compounds. Polyester itself is stable when used as apparel or bedding, but the coating's durability and potential leachables during washing or contact with skin are the main unknowns here.

What’s concerning

♾️

Category baseline

The starting point for this type of product, before anything specific to this product is counted.

80/ 100
♾️

No PFAS disclosure

No public statement from the brand about PFAS in this product.

85/ 100
♾️

Waterproof / stain-resistant treatment

Water-repellent coating treatments have historically used PFAS.

65/ 100
♾️

PFAS

The brand has not disclosed the chemistry of the stain-resistant and waterproof coating. Many polyester mattress protectors use PFAS-containing water-repellent coating (water-repellent coating) treatments; without confirmation, assume possible presence.

Source, ATSDR ↗
70/ 100
⏳

Coating degradation and leachables over time

Waterproof coatings on textiles degrade with repeated washing and body heat. As the coating breaks down, particulates or monomers may leach into the mattress, bedding, and potentially skin contact zones.

20/ 100
💨

Formaldehyde / VOCs

Polyester textiles and some waterproof finishes can be treated with formaldehyde-based resins for wrinkle resistance or durability. The brand has not ruled this out; off-gassing is typically low in established products but possible on first use or in poorly ventilated spaces.

Source, ATSDR ↗
70/ 100
🫧

Microplastics

Polyester textiles shed microfibers with washing and use. A mattress protector in direct contact with skin and bedding will release small fibers over its lifetime; long-term inhalation or ingestion risk is not fully characterized for low-level household exposure.

Source, EPA ↗
70/ 100

What’s reassuring

⛏️

Heavy metals

No public records of azo dye violations or heavy metal contamination in mattress protectors. The brand's manufacturing likely complies with basic textile standards, but lack of third-party testing means this cannot be independently verified.

Source, FDA ↗
95/ 100

How is this PFAS grade calculated?

The brand's record and disclosure

The brand has not published detailed material safety data sheets, certifications (such as OEKO-TEX or similar), or explicit PFAS-free claims for this product line. The brand has not faced major public recalls tied to mattress protectors, but its silence on coating chemistry mirrors a broader industry pattern of opacity around water-repellent treatments in bedding. Without third-party certification or manufacturer disclosure, you cannot verify whether PFAS are present or absent.

How it compares in its category

Most mattress protectors on the market use either PFAS-based coatings (most common, cheapest) or polyurethane-based alternatives (higher cost, often certified). The brand's lack of transparency puts it in the middle-risk zone, it is a recognized brand with quality reputation, but it offers less disclosure than competitors that explicitly market PFAS-free formulations (such as Helix or certain organic-certified alternatives). The waterproof performance is likely solid, but at the cost of unknown chemical exposure.

If you buy it

Wash in cool water and avoid high heat drying, which can degrade coatings and potentially release volatiles. Do not dry clean. Replace every 2 to 3 years or if the waterproof layer begins to peel, flake, or lose water resistance, as aged coatings may leach compounds into bedding. Store in a dry place to prevent mold growth under the protector. If you have chemical sensitivities or are pregnant/have young children, consider requesting the brand's full material declaration before purchasing, or choose a brand with published PFAS-free certification.

What is not known about PFAS in this product?

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

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

What are the PFAS-free alternatives to Cal King Mattress Protector?

Avocado Green Mattress

Organic Cotton Mattress Cover and Pad Protector

85ExcellentPFAS grade
  • organic cotton
  • We found no PFAS statement from the brand
  • No PFAS statement found from the brand

Avocado Green Mattress

Organic Cotton Mattress Pad Protector

85ExcellentPFAS grade
  • Organic cotton
  • We found no PFAS statement from the brand
  • Waterproofing chemical exposure

2 hazards checked on this product, all on its full breakdown.

Parachute Vintage Linen Bed Cover

Parachute

Vintage Linen Bed Cover

75ExcellentPFAS grade
  • 100% linen, no reported coating
  • We found no PFAS statement from the brand
  • Heavy metals

3 hazards checked on this product, all on its full breakdown.

More mattress protectors 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.