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Cluster: Safety, Chemical & Flame Barrier QuestionsID: QST-SAF-006

Casper Mattress Fiberglass Removal & Contamination | Nappedia

Target Query:“casper mattress fiberglass removal contamination”
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Subject: Casper The Casper Original 11"
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Specimen: law-label-casper-legacy
Direct Forensic Answer

Query: “casper mattress fiberglass removal contamination”

Transitioned to Silica

Direct Answer Summary

Early iterations of the Casper Original mattress (pre-2021) incorporated an inner flame sock containing continuous glass fibers to satisfy CPSC 16 CFR Part 1633. Casper subsequently eliminated glass fiber from its North American product line, transitioning to an inherently fire-resistant knit barrier composed of silica-infused rayon and modacrylic. Modern Casper mattresses do not shed glass filaments even if outer covers are handled.

Audited Core Takeaways

  • 1Legacy pre-2021 models utilized a glass-filament protective fire sleeve.
  • 2Current Casper mattresses utilize 100% fiberglass-free silica rayon knit barriers.
  • 3Unzipping older legacy models still presents a localized fiber shedding hazard.
Regulatory Law Label Specimen
Interactive Laboratory View

Forensic Law Label & Material Audit

Inspect the physical law label tag specimen, decode the state Uniform Registry Number (URN), and review certified material percentages under CPSC 16 CFR Part 1633.

Forensic Specimen Archive • Metrology & Legal Audit

Uniform Law Label & Material Deconstruction

Under FTC 16 CFR Part 303 and IABFLO uniform law label standards, bedding manufacturers must disclose exact net filling weights using standardized generic fiber terms. Marketing buzzwords are prohibited under federal penalty.

▲ Sewn Into Seam (Tyvek Substrate) ▲

UNDER PENALTY OF LAW THIS TAG NOT TO BE REMOVED EXCEPT BY THE CONSUMER

ALL NEW MATERIAL CONSISTING OF

POLYURETHANE FOAM PAD55%
RESIN-TREATED COTTON BATTING25%
RAYON FIBER / WOOL CHAR BARRIER20%
Net Filling Weight (Excluding Steel Springs)
Uniform Registry Number (Click to decode)
REG. NO. UT-12345 (FL)

Certification is made by the manufacturer that the materials in this article are described in accordance with law.

Manufacture Date:04/2026
Plant Facility:Tampa, FL
Legal Entity:Saatva Inc. / Bedding Industries of America (BIA)
16 CFR Part 1633 Prototype: STV-115-HYB-2026Inspect →
Physical Tag Dimensions: 2.75" × 3.75" (Meets IABFLO 2.5" × 3.0" min)
Active Specimen URN Breakdown
REG. NO. UT-12345 (FL)
Issuing State
UT (Utah)
Registry Sequence
#12345
Plant Location
FL (Florida)
IABFLO 31-State Reciprocity: The issuing state (UT) participates in the Uniform Law Label system. This single registration permits lawful commercial distribution across all 31 regulated US bedding jurisdictions without duplicate state tags.
Audited Metrics4 Verified Metrics

Casper The Casper Original 11" Forensic Specifications

Physical construction measurements and laboratory ratings evaluated against regulatory, medical, and durability benchmarks.

Specification / MetricMeasured ValueBenchmark / StandardStatus
Current Fire BarrierSilica Rayon Knit (Fiberglass-Free)Non-Hazardous Fire BarrierPass
Legacy Fire BarrierGlass Filament Inner SleeveZero Glass ContentWarning
Flammability Rating16 CFR Part 1633 CertifiedPeak HRR < 200 kWPass
Chemical CertificationsCertiPUR-US & OEKO-TEX Standard 100Zero Hazardous EmissionsPass

Standards Reference: Benchmarks derived from ASTM D3574 (flexible cellular foam), CPSC 16 CFR 1633 (open flame flammability), and clinical capillary closing thresholds (32.0 mmHg).

Safety Inspection Protocol3 Actionable Steps

Consumer Safety & Chemical Verification Protocol

Step-by-step physical inspection procedure for flame barrier integrity and law label compliance.

Audit Manufacturing Date

Step 1

Locate the manufacture date on the Tyvek law tag to confirm if built post-2021.

Critical Hazard to Avoid

Do not assume all Casper units share identical barrier specifications.

Evaluate Cover Zipper Status

Step 2

Ensure the perimeter zipper is secured and taped over if legacy unit.

Critical Hazard to Avoid

Never place the outer mattress cover in a residential clothes dryer.

Check Airborne Particles

Step 3

Use an air quality particle counter (PM2.5 / PM10) to verify clean ambient air.

Critical Hazard to Avoid

Avoid sweeping dry floors near suspected mineral fiber shedding.

Authoritative Grounding

Primary Source Regulatory & Engineering Citations

2 Verified Sources

Every factual threshold, dimension, safety standard, and warranty policy cited on this page is derived directly from verified government filings, regulatory standards organizations, or official manufacturer technical documentation.

U.S. Consumer Product Safety Commission (CPSC)16 CFR Part 1633

Standard for the Flammability of Mattress Sets

www.cpsc.gov/Regulations-Laws--Standards/Rulemaking/Final-Rules/Mattress-SetsView Source
Agency for Toxic Substances and Disease Registry (ATSDR)ATSDR Toxicological Profile

Synthetic Vitreous Fibers Toxicology Profile

www.atsdr.cdc.gov/toxprofiles/tp161.pdfView Source
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