Golden Home Essentials XXL Heavy Duty Couch Cushion Support (25" × 68") - Foldable, Moisture Resistant Couch Board to Fix Sagging Seats - Reinforced, Breathable, Universal Fit

EXTRA-WIDE, FOLDABLE SUPPORT BOARD - Measures 25" × 68", ideal for 3- and 4-seater sofas. Foldable design adjusts between 58″-68″ lengths for easy insertion into tight couch frames. RESTORES CUSHION COMFORT & REDUCES BACK PAIN - Reinforced MDF board, 3× stronger, brings life back to sagging sofas-great for improving lumbar support and comfort. WATERPROOF & DURABLE CONSTRUCTION - 0.4″ thick, sturdy MDF core wrapped in tear-resistant, waterproof Oxford fabric-built to last and resist wear over time. QUICK, REPLACEMENT-FREE SOLUTION - Slides under cushions to restore support-no need to replace your sofa. A smart, cost-effective upgrade that revives old furniture. GRIPPY, BREATHABLE DESIGN - Under-cushion placement ensures minimal slippage with airflow-friendly fabric-keeps cushions in place while offering a firmer feel.