100/ 100
A
OverallB84/100
My Green Mattress Kiwi Organic Mattress – Certified Organic

Organic Textiles · Mattresses

My Green Mattress Kiwi Organic Mattress – Certified Organic

A · Very low PFAS

Lower PFAS concern for a certified organic mattress, but brand is silent on chemical treatments and flame retardants.

Verdict: BuyOrganic certifications and natural materials significantly reduce chemical hazards; brand transparency on flame retardants is the main gap.

My Green Mattress markets organic materials, which typically excludes PFAS-laden synthetics and Teflon-family coating coatings. However, the brand makes no explicit PFAS-free claim and does not disclose flame-retardant chemistry.

Certified Organic (USDA or equivalent)OEKO-TEX likely (standard for organic mattress makers)
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Material

Organic cotton, wool, natural latex

Brand disclosure

Brand is silent on PFAS

Lab data

No public lab test

Why this grade

Category baseline

furniture is a category where PFAS exposure is more common.

Hurts the grade

Third-party PFAS-free verification

Independently verified PFAS-free by a third party.

Helps 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

The Kiwi uses certified organic cotton, wool, and natural latex as its primary layers. Organic cotton eliminates synthetic pesticide residues that conventional cotton can retain. Natural latex (rather than synthetic polyurethane foam) avoids off-gassing of isocyanates and other volatile chemicals common in petroleum-based foams. Wool provides inherent flame resistance without chemical treatment in many formulations, though the brand's specific approach is not publicly detailed.

The brand's record and disclosure

Organic Textiles holds third-party certifications (likely GOTS or similar organic standards) that audit pesticide and heavy-metal residues in fibers. However, the brand has not publicly disclosed its flame-retardant strategy, chemical finishing treatments, or adhesive compositions, which are common sources of concern in mattresses. No major recalls or safety controversies are on record for this product line. The silent stance on chemical treatments is a transparency gap rather than evidence of hazard.

How it compares in its category

Most conventional mattresses rely on polyurethane foam and synthetic cover fabrics treated with brominated or phosphorus-based flame retardants. This product's organic materials and natural latex represent a lower-chemical tier compared to budget and mid-range conventional options. It sits at a price and safety level comparable to other certified organic mattress brands (Avocado, Naturepedic, Helix Organic). The trade-off is that certifications cost more but reduce chemical exposure significantly.

If you buy it

Air out the mattress for 48-72 hours after unboxing to allow any residual odors from production or packaging to dissipate. Natural latex and wool are durable but sensitive to moisture; use a waterproof mattress protector and avoid saturating the surface. Spot-clean with mild soap and water only. Expect 8-10 years of typical use before foam density declines noticeably. Inspect seams and cover for tears annually to prevent latex oxidation.

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

Flame retardant chemicals (unlabeled)

Wool is naturally flame-resistant, but the brand does not publicly specify whether chemical flame retardants are applied to the cotton cover or internal layers. Organic standards do not prohibit all flame retardants, only synthetic ones; some approved natural or inorganic options may still be used without disclosure.

Possible

Formaldehyde in adhesives or finishes

Adhesives binding foam layers and glues in seaming can contain formaldehyde. Organic fiber certifications do not regulate internal adhesives. No specific disclosure from the brand on adhesive composition is publicly available.

None known

Heavy metals in cotton or wool (pesticide residue)

Certified organic status audits for banned pesticides and heavy-metal contamination in raw fibers, significantly reducing risk compared to conventional cotton. No recalls or test failures are on record.

Possible

Latex protein allergies

Natural latex can trigger hypersensitivity in individuals with latex allergies. The brand does not label latex allergen risk or offer latex-free alternatives in this model.

Possible

VOC off-gassing (initial)

Even organic mattresses can emit volatile organic compounds from glues, dyes, or wool finishing in the first 1-2 weeks. Natural materials typically off-gas less than synthetic foams, but some odor and respiratory irritation during this period is not uncommon.

What we don’t know

This grade is a model-based estimate from public materials, coatings, and brand disclosure at 72% 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.

More mattresses 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.