Mattress Fiberglass Checker

Budget/wholesale brand with zero public material data available. Budget/wholesale brand; zero public material data available.

Premium regional manufacturer; requires individual law-tag checks. Premium regional manufacturer; requires individual law-tag checks.

Japanese brand; treat as unknown until a physical US tag is vetted. Japanese brand; treat as unknown until a physical US tag is vetted.

Distributed through moving white-label lines; treat as positive until batch code verified. Distributed through rotating white-label lines; treat as positive until batch code verified.

Confirmed older models; post-2024 production reportedly phased out fiberglass. March 2026 federal court preliminary approval covers affected mattresses purchased between certain dates; post-2024 production reportedly phased out fiberglass.

Inconsistent corporate claims depending on import run. Inconsistent corporate claims depending on import run; verify law tag.

Premium flagship collections are marketed as fiberglass-free, but individual model verification is recommended. Premium flagship collections marketed as fiberglass-free; budget/mid-tier models may still vary — verify individual law tag.

Frequently cited in consumer complaints for fiberglass. Some newer models may differ, but model-specific verification is required. Frequently cited in consumer complaints for fiberglass; some newer models may differ; model-specific verification required.

Absent from formal database files.

Absent from formal database files; requires law-tag check.

Historical reports and consumer documentation exist regarding certain discontinued models. Current core product lines are marketed as fiberglass-free. Older models (Original, Select, Nova Hybrid, Wave Hybrid) contained fiberglass; current core lines marketed as fiberglass-free as of 2025.

Specialty performance brand; insufficient public fiberglass data.

Sparse online reviews but lacks lab verification. Sparse online reviews; lacks lab verification.

Consumer complaints online; no technical specs. Consumer complaints online; no technical specs published.

Older foam models historically contained fiberglass; newer offerings transitioned. Older foam models historically contained fiberglass; newer offerings transitioned — verify law tag by model.

Budget Amazon brand with many consumer reports citing fiberglass; status should be confirmed per specific model. Budget Amazon brand; many consumer reports citing fiberglass; confirm per specific model.

Consumer complaints exist; requires law-tag photos or manufacturer verification. Consumer complaints exist; requires law-tag photos or manufacturer verification.

Older runs mixed; current inventory constructed without glass. Older Resident-era SKUs may differ; current inventory fiberglass-free; covered in March 2026 Ashley/Resident Home class action settlement.

Older European batches had issues; current US designs are fiberglass-free.

Adjustable base specialist; mattresses require model-by-model verification. Adjustable base specialist; mattresses require model-by-model verification.

Historical material disclosures differed from current specifications. Current GhostBed products are marketed as fiberglass-free. Historical fiberglass use confirmed; current models verified fiberglass-free; brand has reformulated.

Older memory foam variants contained glass; modern shipments reported free. Older memory foam variants contained glass; modern shipments reported free — verify manufacture date.

Amsosen confirmed fiberglass by NapLab teardown; majority of current US models post-2020 use glass-free modacrylic/polyester blends — always check individual model law tag.

Older lines like Amsosen confirmed yes, while US models after 2020 generally use glass-free modacrylic/polyester blends or chemical FR treatments. Cross-reference EU vs US law tags. Older lines like Amsosen confirmed fiberglass; US models after 2020 generally use glass-free blends or chemical FR; cross-reference EU vs US law tags.

Crowd logs claim fiberglass but absent from databases. Crowd logs claim fiberglass but absent from formal databases.

Budget e-commerce line with sparse flags. Budget e-commerce line with sparse documentation.

Older production runs have generated fiberglass-related concerns. Current models are marketed as fiberglass-free. Pre-2023 models had fiberglass concerns; current models marketed as fiberglass-free.

Unverified budget line; user reviews claim glass fibers. Unverified budget line; user reviews claim glass fibers present.

Early reports existed; verified fiberglass-free production since 2020. Original Lull and Lull Luxe Hybrid used fiberglass; verified fiberglass-free production since 2020.

Consumer complaints exist; requires law-tag photos or manufacturer verification. CORRECTION: Folding and value memory-foam mattresses confirmed fiberglass; consumer complaints exist; database listed as Unknown — updated to Contains Fiberglass.

Budget Amazon line with reports of structural failures. Budget Amazon line with reports of structural failures and glass fiber; requires law-tag verification.

Past use indicated; current config unclear. Past use indicated; current configuration unclear; manufacturer documentation required.

Multiple consumer complaints about unsealed fire socks. Multiple consumer complaints about unsealed fire socks shedding fiberglass.

Historical fiberglass allegations and litigation involved older production runs. Current models are marketed as fiberglass-free. Historical fiberglass allegations and litigation on older production runs; current models marketed as fiberglass-free; older inventory may persist in retail channels.

Older inventory contained it; models since 2024 are fiberglass-free. Older inventory contained fiberglass; models since 2024 are fiberglass-free; still verify older stock.

Lacks public technical documentation. Lacks public technical documentation.

Moved to Unknown: requires law-tag photos or manufacturer documentation to confirm fiberglass. Historical fiberglass confirmed; current status unclear — requires law-tag photos or manufacturer documentation.

Flagged for minimal material disclosure. Flagged for minimal material disclosure; treat as high-risk until verified.

Discontinued legacy variants contained it; current retail is verified free. Puffy Cloud, Lux, Royal, Diamond Hybrid (esp. Canadian SKUs) used glass fiber fire sock; discontinued legacy variants; current retail is verified free.

Active adjustable base maker; mattresses need research. Active adjustable base maker; mattresses need research; verify by model.

Absent from audited registries. Absent from audited registries.

Fire-barrier materials vary by model and production date. Consumers should verify individual law tags and manufacturer disclosures before assuming fiberglass content. Fire-barrier materials vary by model and production date; verify individual law tags.

Sub-line of Sealy; fire barriers vary by model and date — always check law tag.

Budget/mid-tier brand; insufficient public material data.

Historical material composition varies across collections and manufacturing periods. Current flagship collections are generally marketed as fiberglass-free. Historical material composition varies; current flagship collections generally marketed as fiberglass-free — verify by model.

Serta premium sub-line; historically varied; verify individual law tag.

Top-tier retail lines may be clean, but hospitality, contract, and promotional foam models have historically used glass barrier layers. Verify the exact model and law tag. Top-tier retail lines may be clean; hospitality, contract, and promotional foam models have historically used glass barrier layers — verify exact model.

Early prototypes had traces; active marketplace units are certified clean. Early prototypes had traces; active marketplace units certified clean; covered in March 2026 Ashley/Resident Home class-action settlement.

Older models contained fiberglass; newer production models are reportedly fiberglass-free. Older models contained fiberglass; newer production models reportedly fiberglass-free post-2024; March 2026 federal class action settlement.

Historical blends sometimes included glass; newer models reported free. Historical blends sometimes included glass; newer models reported free; some active inventory may still contain fiberglass — verify by model.

Moved to Unknown: no law-tag photos found; verification required. Historical fiberglass confirmed; no current law-tag photos found; verification required.

Requires direct law-tag validation. Requires direct law-tag validation by specific model.

Limited public data; requires law-tag verification.

Moved to Unknown: requires direct manufacturer documentation to verify fiberglass use. Historical fiberglass use documented; current status requires direct manufacturer documentation.

Transitioned away from glass around 2020 to clean knit barriers. Transitioned away from glass around 2020 to clean knit barriers.

Mattress Firm private label with mixed tracking.

Mattress Firm private label with mixed tracking; treat as high-risk until verified by model.

Lacks formal audited records. Lacks formal audited records.

Older models contained fiberglass; actively being phased out. Zinus sub-brand; check production stamps; legacy stock may contain fiberglass; brand reportedly reformulating.

Older budget models used glass fibers; brand now uses glass-free textile barriers. Older budget models used glass fibers; brand now uses glass-free textile barriers — verify by model and date.

Consumer complaints exist; requires law-tag photos or manufacturer verification. Consumer complaints exist; requires law-tag photos or manufacturer verification.

Reported by consumers to contain fiberglass, but current model details are unclear and should be verified on a model-specific basis. Reported by consumers to contain fiberglass; current model details unclear; verify on model-specific basis.

High-risk Amazon-focused line with repeated consumer reports of glass-fiber barrier socks. High-risk Amazon-focused line with repeated consumer reports of glass-fiber barrier socks; some models may be transitioning but majority still high risk.

Consumer complaints exist; requires law-tag photos or manufacturer verification. Consumer complaints exist; requires law-tag photos or manufacturer verification.

Current manufacturer materials describe silica-based fire barriers. Available evidence does not conclusively establish the presence of continuous fiberglass filaments. Additional verification recommended. CORRECTION: Multiple models confirmed to contain glass-fiber fire socks per manufacturer materials disclosure; cover removal voids warranty; fiberglass present as long as cover intact — do not unzip.

Historical fiberglass reports; brand acquired/rebranded; current status unknown.

Moved to Unknown: database source documents required to confirm historical claims. Historical fiberglass confirmed; current status unknown — database source documents required; check law tag.

Consumer complaints exist; requires law-tag photos or manufacturer verification. Consumer complaints exist; requires law-tag photos or manufacturer verification.

Moved to Unknown: consumer complaints exist but lack definitive manufacturer documentation. Historical fiberglass confirmed via consumer complaints; current status lacks definitive manufacturer documentation.

Models after March 2023 are fiberglass-free. Models after March 2023 are fiberglass-free; brand sold post-April 2023 and re-engineered; explicit fiberglass-free certifications rolled out by late 2025.

Outsourced internal line; treat as high-risk. Outsourced internal line; treat as high-risk until specific model law tag is verified.

Primary focus of litigation; older Green Tea lines contain glass; new lines transition away. Primary focus of litigation; older Green Tea Memory Foam, Spa Select, and hybrid models contained fiberglass; Zinus officially completed structural reformulation by 2024-2025; older units still in retail channels may be affected.