Independently researched · no manufacturer money, ever

U.S. Mattress Brand Evidence Profile

Does a Four Seasons Custom Bed Mattress Have Fiberglass? (Law Tag & Material Teardown)

Independent analysis of Four Seasons Custom Bed: operating parent company Four Seasons Hotels / Simmons OEM, manufacturing facilities in Certified Domestic Bedding Fabrication Facility (Toronto, ON / Boston, MA), Uniform Registry Number (URN: State Bedding License (Toronto, ON / Boston, MA)), and 2026 flammability barrier safety disclosures.

Flammability & Safety Forensics

2026 Fiberglass Determination: NO (Clean 2026)

Fire Barrier Material:

Commercial High-Spec Inherently FR Viscose Rayon & Hydrated Silica Fiber

Switch Year / Phase-Out Date:

Standardized on commercial flame barrier specifications compliant with 16 CFR 1633 and Cal TB 129

Physical Law Tag Disclosures:

Commercial Grade Outer Ticking / No Removable Zipper / Sealed Hospitality Perimeter | Zero litigation history; commercial hospitality contract compliance certified

Litigation & Compliance Status:

Clean Record

Manufacturing & Industrial Geography

Factory Footprint & Ownership Lineage

Operating Parent / OEM:

Four Seasons Hotels / Simmons OEM (Founded 2014)

Manufacturing Model:

Regional / Contract Co-Packer Fabrication · Made in USA from Domestic & Imported Materials

Physical Plant Locations:

Certified Domestic Bedding Fabrication Facility (Toronto, ON / Boston, MA)

Uniform Registry Number (URN):

State Bedding License (Toronto, ON / Boston, MA)

Evidence Citation: State Bedding Registration & Official Corporate Disclosure (Verified Source URL ↗)

Complete Model Lineup

All 3 Documented Models (3 Active, 0 Legacy)

Active (Aug 2026) · Innerspring & Pocket Coil

Four Seasons Custom Bed Signature Standard

Series: Signature Standard · Innerspring (Zoned Pocket Coils) (10" profile)

Feel: Medium-Firm (6.5/10) · MSRP: $1,299

ZERO RISK

Fire Barrier: Commercial High-Spec Inherently FR Viscose Rayon & Hydrated Silica Fiber

Active (Aug 2026) · Innerspring & Pocket Coil

Four Seasons Custom Bed Signature Plush Topper

Series: Signature Plush Topper · Innerspring (Zoned Pocket Coils) (11" profile)

Feel: Plush (4.5/10) · MSRP: $1,449

ZERO RISK

Fire Barrier: Commercial High-Spec Inherently FR Viscose Rayon & Hydrated Silica Fiber

Active (Aug 2026) · Innerspring & Pocket Coil

Four Seasons Custom Bed Signature Firm Topper

Series: Signature Firm Topper · Innerspring (Zoned Pocket Coils) (12" profile)

Feel: Firm (7.5/10) · MSRP: $1,599

ZERO RISK

Fire Barrier: Commercial High-Spec Inherently FR Viscose Rayon & Hydrated Silica Fiber