When shopping for a mattress, you'll encounter a long list of certification names: CertiPUR-US®, GOTS, GOLS, OEKO-TEX® STANDARD 100, GREENGUARD Gold, EWG Verified®, MADE SAFE®. They're often listed together as if they're equivalent. They're not.
The most important distinction to understand is whether a certification applies to a single material used in a mattress, or to the finished mattress as an assembled product. These are different claims — and they tell you different things about what you're sleeping on.
Component certifications: what they cover
A component certification is issued to a specific material or ingredient — latex, foam, cotton fabric, wool fiber, or a coil system — and governs only that material. It does not extend to the finished product those materials that are assembled into.
Common examples:
CertiPUR-US® — Applies to polyurethane foam only. It tests foam for VOC emissions, heavy metals, formaldehyde, and specific flame-retardant chemicals. It does not cover latex, cotton, wool, coils, adhesives, or anything else in the mattress. A mattress can carry a CertiPUR-US® mark while using uncertified materials in every other layer.
GOLS (Global Organic Latex Standard) — Applies to latex material. It certifies that the latex contains at least 95% certified organic raw material and restricts certain processing chemicals. GOLS does not certify the finished mattress — it certifies the latex used in it. For more, see What Is the Difference Between GOTS and GOLS?
OEKO-TEX® STANDARD 100 on a specific material — When written to a fabric, latex, or foam component, this certifies only that material. A brand may hold OEKO-TEX® Class I certification for its cover fabric, while the assembled mattress carries no equivalent certification.
Component certifications are meaningful. They tell you something real about specific ingredients. The limitation is that they say nothing about how those materials are assembled, what adhesives are used, or what other materials are present in the finished product.
Finished-product certifications: what they cover
A finished-product certification is issued to the assembled mattress — the complete article as it is sold and slept on. Every component, every layer, every material used in assembly must satisfy the certification requirements. The certification cannot be applied to the finished product unless all constituent materials pass.
Common examples:
GOTS (Global Organic Textile Standard) on the finished mattress — When written to the finished product (not just the factory or the cotton), GOTS certifies that the mattress meets organic fiber content requirements and that no prohibited substances — including polyurethane foam and chemical flame retardants — are present in any layer. For a full explanation, see What GOTS Finished-Product Certification Actually Means — and How to Verify Any Brand's Claim.
OEKO-TEX® STANDARD 100 on the finished mattress — When the certificate is written to the assembled mattress, every component in that product has been tested and verified. For a full breakdown of what Class I means and why it's rare on innerspring mattresses, see What Is OEKO-TEX® STANDARD 100 — and What Does Class I Mean for Your Mattress?
MADE SAFE® — Screens the complete finished product for more than 6,500 harmful or restricted substances. By definition, this is a finished-product certification.
EWG Verified® — Requires full ingredient disclosure and prohibits EWG-flagged substances in the finished product. Applied to the complete mattress.
How to tell the difference when evaluating a claim
The FTC Green Guides caution against environmental marketing claims that are vague or imply broader benefits than what is actually certified. When evaluating a mattress certification claim, ask:
What is the certified article? Look for the actual certificate and check what it names — a specific material, or the finished mattress.
Who issued it? Every legitimate certification has a named certifying body and a verifiable certificate number. OEKO-TEX® certificates are searchable at oeko-tex.com/en/label-check. GOTS certificates are searchable at global-standard.org.
Does it cover the finished product? A certification written to a supplier's factory, a raw material, or a fabric component does not certify the mattress that material ends up in.
These are not obscure distinctions. They are the difference between knowing an ingredient was tested and knowing the mattress you're sleeping on was tested.
Why Avocado pursues both
Avocado holds both material-level certifications (GOLS on organic Dunlop latex, GOTS on organic cotton and wool fiber) and finished-product certifications (GOTS, OEKO-TEX® STANDARD 100 Class I, EWG Verified®, MADE SAFE®, and GREENGUARD Gold on the assembled mattress). The material certifications verify the integrity of individual ingredients. The finished-product certifications verify that the assembled mattress — including adhesives, encasements, and all components — meets the same standard.
For a full overview, see Why Avocado Uses Multiple Certifications and What Is a Certified Organic Mattress? Or visit the Avocado Certifications page for the full list with certificate numbers.