This frameless 2-seater sofa bed uses a zippered backrest for seamless sofa-to-bed conversion, with a hidden zipper preserving its sleek style. Wrapped in soft corduroy, its high-density foam backrest supports your spine. No assembly required—unpack and let it fully rebound within 72 hours. Zippered Convertible Design:Unzip the backrest for seamless sofa-to-bed transformation; hidden zipper preserves sleek aesthetics. Plush Corduroy Fabric:Ultra-soft, textured corduroy offers year-round warmth and gentle support, blending coziness with style. Ergonomic Foam Backrest:High-density, resilient foam fills the backrest, supporting the lower back and spine in all postures. No-Assembly Frameless Build:Unpack and use instantly—no assembly needed; fully rebounds to plush shape within 72 hours. 3 Comfort Pillows Included:Comes with 3 soft pillows for customizable neck/lumbar support, enhancing relaxation for you and guests.