Greaton, Heavy Duty Couch Support Board, 21.5" x 48" Extra Thick Wood Base to Fix Sagging Seats, Reinforced Under Cushion Panel for Sofas, Chairs & Loveseats, Furniture Seat Saver, Easy Installation

Wood Boards | Couch Cushion & Sofa Support Board: easily and quickly upgrade your sagging sofa with our ultra strong, high quality wood support board; adds extra support and comfort to sofas with sagging frames, cushions or worn-out springs; our boards are 21.5 wide to cover more surface area therefore providing more support. | Ultra Durable .75 Thick Wooden Boards: unlike other brands that use MDF or particle board, ours is constructed with high quality .75 thick wood that is naturally stronger and more durable; support board can hold up to 400 pounds. | Stay In Place Grip Dots: designed to stay in place on sofas, board features hundreds of slip resistant dots on the underside; dots help grip to sofa frame and prevent board from shifting during daily use; individual board panels feature rounded corners to reduce chance of cover tearing. | Easy to Install: extremely easy to install in minutes; simply remove cushions from sofa, unfold board and apply to width of sofa frame with grip dots on the underside; add cushions back to sofa on top of board. | Universal Fit: boards are available in standard sofa sizes for a perfect fit but can also be folded and stacked to accommodate loveseats and small sofas; we recommend measuring your sofa before purchase; measure your sofa seat width from left inside arm to right inside arm; this support board measures 48 inches.