Sealy Posturepedic Medina II Wrapped Coil 13" Tight Top Mattress, Is It Non-Toxic?
Lower concern. Steel coils and polyurethane foam are not materials linked to PFAS.
This mattress has steel coils, polyurethane foam, and a cotton/poly blend cover. None of these materials are linked to PFAS. Sealy has no PFAS statement on record for this model.
We flunk more products than we pass. This one earned its grade. How we grade
Material
Steel coils, polyurethane foam, cotton/poly blend cover
Brand disclosure
Brand is silent on PFAS
Lab data
No public lab test
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Is Sealy Posturepedic Medina II Top Mattress non-toxic? What it is made of
This mattress uses steel coils as the core support system, which are chemically inert and non-leaching. The comfort layers are polyurethane foam, a petroleum-derived material that can off-gas volatile organic compounds (VOCs) shortly after manufacturing. The cotton/polyester blend cover is a standard textile construction that may contain low levels of formaldehyde resins used in fabric finishing. Steel and polyurethane are well-established materials with minimal migration risk under normal sleeping conditions.
What’s concerning
Category baseline
The starting point for this type of product, before anything specific to this product is counted.
No PFAS disclosure
No public statement from the brand about PFAS in this product.
Formaldehyde / VOCs
Polyurethane comfort layers emit trace levels of VOCs and formaldehyde releasers in the first 48-72 hours post-manufacturing. This is typical for the material class and rarely causes acute symptoms in well-ventilated spaces, but may trigger sensitivity in individuals with chemical sensitivities or asthma.
Source, ATSDR ↗Formaldehyde / VOCs
Cotton/polyester blend covers often use formaldehyde-based resins for durable-press and anti-wrinkle finishes. Residual formaldehyde levels in new mattress textiles are generally below regulated thresholds, but off-gassing risk is highest in the first weeks and decreases with airing and washing.
Source, ATSDR ↗Dust mite and allergen accumulation
Polyurethane foam and fabric covers naturally harbor dust mites and their allergens over time. This is a maintenance and allergy management issue rather than a manufacturing defect; use of a protector and periodic cleaning mitigates this.
Flame retardants
US federal mattress flammability standards (16 CFR 1633) require foam layers to meet fire performance; Sealy does not publicly disclose whether flame retardants are used or their chemical identity in the Medina II. Additive presence is likely but levels and type are not verified.
Source, EPA ↗What’s reassuring
Base material not linked to PFAS
The main material recorded for this product is not one associated with PFAS.
Coil steel coating integrity over time
No public data indicates degradation of steel coil coatings in the Medina II under normal use. High-moisture environments (extreme humidity, water exposure) could theoretically promote rust if the inner coil coating is compromised, but this is outside normal mattress use conditions.
How is this PFAS grade calculated?
The brand's record and disclosure
Sealy is a major manufacturer owned by Tempur Sealy International; the brand does not prominently disclose PFAS content or publish third-party certifications like GOTS or OEKO-TEX for this specific model. No significant safety recalls for the Medina II line are on public record. Sealy has not faced high-profile chemical controversies like some boutique mattress brands, but transparency on foam sourcing and chemical inputs remains limited compared to premium competitors.
How it compares in its category
The Medina II is a conventional innerspring mattress, which typically pose lower off-gassing and leaching risk than all-foam or hybrid models with extensive chemical additives. Budget and mid-range coil mattresses from major brands (Sealy, Serta, Beautyrest) share similar material profiles and disclosure practices. If chemical transparency is a priority, organic latex or CertiPUR-US certified foam alternatives exist at higher price points; this model does not carry such certifications.
If you buy it
Unroll and air out the mattress in a well-ventilated space for 24-48 hours after delivery to minimize VOC exposure from factory off-gassing. Do not expose to sustained heat above 150F or direct flame, as polyurethane foams degrade and can release irritating compounds. Use a mattress protector to reduce dust mite and allergen accumulation in the cover. Replace after 7-10 years or when coils audibly shift or foam shows permanent body indentations greater than 1.5 inches.
What is not known about PFAS in this product?
- Basis
- Model estimate, 65% confidence, not a lab result
- Lab test
- None on record for this exact product
- Brand statement
- Sealy has made none
Formulations change between production runs, so check the current label. How we grade.
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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.