Oak Storage Bench Sofa - Space-Saving Design with 7 Cu.Ft Hidden Compartment

Materials & Construction:
Solid wood frame: 100% FAS-grade North American oak (knot-free, mountain-grain texture) + reinforced pine/paulownia secondary structure.
Breathable linen-blend fabric: 40,000+ Martindale rubs tested, ≥4/5 pilling resistance, OEKO-TEX certified.
Eco-finish: 4-layer open-pore low-VOC plant-based paint preserves natural wood grain.
Smart Storage Design:
200L capacity: Holds 6-8 folded blankets or 4 large storage bins (replaces standalone cabinets).
Floor-to-frame build: 0.3" (8mm) ground clearance prevents dust accumulation.
Modular layout: 47.2" (120cm) unit fits narrow spaces under 10.8 sq ft (1㎡).
Comfort Engineering:
5.1" (13cm) dual-density seat:
Top layer: D20 foam + plush cotton (medium-firm support)
Base layer: D30 high-resilience foam (80,000 compression cycles tested)
Adjustable backrest: Remove to extend seat depth from 18.9" to 23.6" (48-60cm).
Durability Features:
Weight capacity: 330lbs static load (ASTM F2057 validated).
Moisture-resistant: Paulownia wood base prevents warping in humid climates.
Lifespan verified: 13.6-year foam durability at 75kg x 16 daily uses.
Safety & Maintenance:
Child-safe: Rounded corners, formaldehyde-free adhesives (SGS certified).
Removable covers: Machine-washable zippered fabric (Pearl White/Smoked Chestnut options).
Stain defense: Teflon®-infused fibers repel spills and pet hair.
Sustainability:
FSC-mixed forestry sources, CARB Phase 2 compliant finishes.