Mattress Fiberglass Checker

Budget/wholesale brand with zero public material data available. Budget/wholesale brand with 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 moving white-label lines; treat as positive until batch code verified.

Confirmed older models; post-2024 production reportedly phased out fiberglass. Confirmed older models; a March 19, 2026 federal court preliminary approval covers affected mattresses purchased between October 1, 2017 and June 30, 2024. Post-2024 production reportedly phased out fiberglass. [cite: 1] - DB Note: Legacy cutoff fixed by settlement [cite: 1]

Inconsistent corporate claims depending on import run. Inconsistent corporate claims depending on import run.

Premium flagship collections are marketed as fiberglass-free, but individual model verification is recommended. Premium flagship collections are marketed as fiberglass-free, but individual model verification is recommended.

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, but model-specific verification is required.

Absent from formal database files. Absent from formal database files.

Historical reports and consumer documentation exist regarding certain discontinued models. Current core product lines are marketed as fiberglass-free. Historical reports and consumer documentation exist for discontinued filament-glass models. Casper transitioned its core manufacturing to rayon fiber-based barriers in 2024, and current lines such as The One, Cloud One, Snow, Snow Max, Dream, Dream Max, and Costco Cooling Select are verified fiberglass-free. Legacy filament-glass models include Original, Original Hybrid, Nova Hybrid, and Wave Hybrid. [cite: 1] - DB Note: Older models may still be in circulation with fiberglass [cite: 1]

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

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

Older foam models historically contained fiberglass; newer offerings transitioned. Older foam models historically contained fiberglass; newer offerings transitioned.

Budget Amazon brand with many consumer reports citing fiberglass; status should be confirmed per specific model. Budget Amazon brand with many consumer reports citing fiberglass; status should be confirmed 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 runs mixed; current inventory constructed without glass. Settled in the March 2026 Ashley/Resident Home class action, covering affected units purchased between October 1, 2017 and June 30, 2024. [cite: 1] - DB Note: Legacy cutoff fixed by settlement [cite: 1]

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

Older memory foam variants contained glass; modern shipments reported free. Older memory foam variants contained glass; modern shipments reported free.

Older lines like Amsosen confirmed yes; majority of current models are fiberglass-free. [cite: 1] - DB Note: Older models may still be in circulation with fiberglass [cite: 1]

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.

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

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

Older production runs have generated fiberglass-related concerns. Current models are marketed as fiberglass-free. Older production runs have generated fiberglass-related concerns. Current models are marketed as fiberglass-free. [cite: 1] - DB Note: Brand has reformulated to remove fiberglass [cite: 1]

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

Early reports existed; verified fiberglass-free production since 2020. Early reports existed; verified fiberglass-free production since 2020. [cite: 1] - DB Note: Brand has reformulated to remove fiberglass [cite: 1]

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

Budget Amazon line with reports of structural failures. Budget Amazon line with reports of structural failures. [cite: 1] - DB Note: Brand has reformulated to remove fiberglass [cite: 1]

Past use indicated; current config unclear. Past use indicated; current config unclear. [cite: 1] - DB Note: Active products still contain fiberglass - check model [cite: 1]

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

Historical fiberglass allegations and litigation involved older production runs. Current models are marketed as fiberglass-free. Historical fiberglass allegations and litigation involved older production runs. Current models are marketed as fiberglass-free. A March 2026 settlement against Ashley and Resident Home covers affected mattresses purchased between October 1, 2017 and June 30, 2024, making the June 2024 legacy cutoff actionable for law-tag cross-reference. [cite: 1] - DB Note: Legacy cutoff fixed by settlement [cite: 1]

Older inventory contained it; models since 2024 are fiberglass-free. Older inventory contained it; models since 2024 are fiberglass-free. [cite: 1] - DB Note: Brand has reformulated to remove fiberglass [cite: 1]

Lacks public technical documentation.

Lacks public technical documentation.

Moved to Unknown: requires law-tag photos or manufacturer documentation to confirm fiberglass. Moved to Unknown: requires law-tag photos or manufacturer documentation to confirm fiberglass.

Flagged for minimal material disclosure. Flagged for minimal material disclosure.

Discontinued legacy variants contained it; current retail is verified free. Discontinued legacy variants contained it; current retail is verified free. [cite: 1] - DB Note: Older models may still be in circulation with fiberglass [cite: 1]

Active adjustable base maker; mattresses need research. Active adjustable base maker; mattresses need research.

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. Consumers should verify individual law tags and manufacturer disclosures before assuming fiberglass content.

Historical material composition varies across collections and manufacturing periods. Current flagship collections are generally marketed as fiberglass-free. Historical material composition varies across collections and manufacturing periods. Current flagship collections are generally marketed as fiberglass-free. [cite: 1] - DB Note: Active products still contain fiberglass - check model [cite: 1]

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.

Early prototypes had traces; active marketplace units are certified clean. Early prototypes had traces; active marketplace units are certified clean. A March 2026 class-action settlement for Ashley/Resident Home clarifies that affected units purchased between October 1, 2017 and June 30, 2024 are part of the legacy exposure window. [cite: 1] - DB Note: Legacy cutoff fixed by settlement [cite: 1]

Older models contained fiberglass; newer production models are reportedly fiberglass-free. Older models contained fiberglass; newer production models are reportedly fiberglass-free.

Historical blends sometimes included glass; newer models reported free. Historical blends sometimes included glass; newer models reported free. [cite: 1] - DB Note: Active products still contain fiberglass - check model [cite: 1]

Moved to Unknown: no law-tag photos found; verification required. Moved to Unknown: no law-tag photos found; verification required.

Requires direct law-tag validation.

Moved to Unknown: requires direct manufacturer documentation to verify fiberglass use. Moved to Unknown: requires direct manufacturer documentation to verify fiberglass use.

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. [cite: 1] - DB Note: Active products still contain fiberglass - check model [cite: 1]

Lacks formal audited records. Lacks formal audited records.

Check production stamps; legacy stock may contain fiberglass. Check production stamps; legacy stock may contain fiberglass. [cite: 1] - DB Note: Brand has reformulated to remove fiberglass [cite: 1]

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.

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, but current model details are unclear and should be verified on a model-specific basis.

High-risk Amazon-focused line with repeated consumer reports of glass-fiber barrier socks. Reported by consumers to contain fiberglass; some models may be transitioning, but current status is unclear.

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. Current production utilizes safe silica-based barriers. However, legacy models manufactured prior to 2023 structurally utilized an inner netting composed of glass fiber yarn. Individual model age and law tag verification is mandatory.

Moved to Unknown: database source documents required to confirm historical claims. Moved to Unknown: database source documents required to confirm historical claims. [cite: 1] - DB Note: Active products still contain fiberglass - check model [cite: 1]

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. Moved to Unknown: consumer complaints exist but lack definitive manufacturer documentation.

Models after March 2023 are fiberglass-free. Brand name was sold post-April 2023 and re-engineered. By late 2025, Vibe rolled out explicit fiberglass-free certifications across its main direct-to-consumer and Amazon listings (including Vibe Original and Quilted Hybrid). A strong warning remains for clearing out pre-June 2023 warehouse stock. [cite: 1] - DB Note: Legacy stock still high risk without batch verification [cite: 1]

Outsourced internal line; treat as high-risk. Outsourced internal line; treat as high-risk.

Primary focus of litigation; older Green Tea lines contain glass; new lines transition away. Primary focus of litigation; older Green Tea lines contain glass. Zinus officially completed its structural manufacturing pivot in early 2025, replacing glass-fiber barriers with a carbon-rayon protective sleeve. [cite: 1] - DB Note: Legacy Green Tea stock remains a high-risk secondary market item [cite: 1]