Title: Solid Wood Convertible Sofa Bed - Space-Saving Fold-to-Bed Design with Organic Linen & Oak Frame

Materials & Construction:
FAS-grade North American oak frame: Kiln-dried to 8-12% moisture content, zero veneers/plywood.
OEKO-TEX certified linen fabric: 4-5/5 colorfastness, pH 6.5 (baby-safe), 80,000+ Martindale abrasion cycles.
Eco-finish: 4-layer water-based lacquer (CARB Phase 2 compliant, formaldehyde <0.01ppm).
Space-Saving Design:
Compact footprint: 10.3 sq.ft (0.96㎡) folded mode saves 50% space vs traditional sofa beds.
Expandable sleeping area: 82.7"x34.6" (210x88cm) fully extended, adapts to studio apartments.
Freestanding stability: 8.8lb (4kg) counterweighted base + non-slip fabric skirt prevents wall dependency.
Comfort Engineering:
Orthopedic support system:
Seat: D32 high-resilience foam (75N/80,000 compression cycles tested).
Backrest: D23 foam + reinforced pine frame.
Removable cushions: 360° adjustable positioning.
Durability & Testing:
Structural warranty: Frame withstands 500lbs static load (BIFMA compliant).
Lifespan validation: 13.6-year foam durability at 75kg x 16 daily uses.
Child-safe design: 0.5" radius edges, splinter-free sanding.
Health & Safety:
GREENGUARD Gold certified: Meets strict indoor air quality standards.
Hypoallergenic materials: Dust-mite resistant fabric, SGS-verified non-toxic adhesives.
Maintenance:
Machine-washable covers: Cold cycle with mild detergent, air-dry in 3 hours.
Robotic cleaning access: 6.3" (16cm) elevated base accommodates most vacuum models.
Sustainability:
FSC-certified oak sources, 95% recyclable packaging.
Low-VOC emissions: Passes CDPH Standard Method v1.2 testing.