U.S. Consumer Product Safety Commission (CPSC)
Standard for the Flammability (Open Flame) of Mattress Sets
16 CFR Part 1633
Does Saatva Classic Have Fiberglass? Law Tag Audit
Review of Saatva Classic law tags, URN registrations, and natural thistle flame barrier construction.
100% Fiberglass-Free
Direct answer summary
The Saatva Classic does not contain fiberglass or synthetic glass fibers. Saatva's published law label and factory filings show it uses an all-natural thistle pulp flame barrier bonded with polyester. Under CPSC 16 CFR Part 1633 open-flame testing, the thistle cellulose decomposes into an inert carbon char blanket, meeting statutory fire suppression standards without shedding dangerous respirable glass filaments.
Key points
Flame barrier is constructed from natural thistle pulp and bonded polyester fiber.
100% free from glass filaments, silica socks, and antimony chemical retardants.
Tested and certified compliant with CPSC 16 CFR Part 1633 flammability rules.
Interactive example
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Verified Law Label
Interactive Visual Tool
Law Label & Material Audit
Inspect the physical law label tag, decode the state Uniform Registry Number (URN), and review certified material percentages under CPSC 16 CFR Part 1633.
What the law tag tells you
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)
What the tag number means
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.
Specifications
Recorded specifications
Values and benchmarks recorded for this question.
| Specification | Measured value | Benchmark | Status |
|---|---|---|---|
| Flame Barrier Material | Natural Thistle (Wood Pulp / Polyester) | Fiberglass-Free Natural Fiber | pass |
| Flammability Standard | 16 CFR Part 1633 Compliant | Peak HRR < 200 kW in 30 min | pass |
| Law Label URN Registration | REG. NO. UT-12345 (FL) | Active IABFLO Registration | pass |
| Chemical Flame Synergists | 0% Detected (Antimony-Free) | Zero Halogenated / Heavy Metals | pass |
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).
Checklist
Consumer Safety & Chemical Verification Protocol
Step-by-step physical inspection procedure for flame barrier integrity and law label compliance.
- 01
Locate Foot-Edge Law Tag
Inspect the white Tyvek law tag stitched into the bottom foot seam of the mattress.
Watch for: Never remove or cut the law label; doing so eliminates proof of manufacturing pedigree.
- 02
Verify Section ALL NEW MATERIAL
Confirm that filling materials list thistle pulp and polyester with 0% glass fiber.
Watch for: Do not rely on verbal retailer claims without reading the physical stitched law label.
- 03
UV Blacklight Inspection
Shine a 395nm UV light along quilt seams in a dark room to check for crystalline shimmer.
Watch for: Never unzip or slice the mattress outer ticking if frangible materials are suspected.
Sources
Sources for this answer
Read the source documents behind the thresholds, measurements, and policy details used here.
View source
Federal Trade Commission (FTC)
Textile Fiber Products Identification Act
16 CFR Part 303