Upgrade your sagging sofa with our Couch Cushion & Sofa Support Board, designed to restore firmness and comfort in minutes. Crafted from ultra-durable 0.50" thick high-quality wood, this board provides long-lasting support, outperforming MDF or particle board alternatives. it covers more surface area, helping reinforce worn-out springs, frames, or cushions. Featuring slip-resistant grip dots on the underside, the board stays securely in place during daily use, while the rounded corners help prevent damage to your sofa fabric. Installation is quick and easy—just unfold the board, place it over your sofa frame, and replace the cushions on top. It is good for back cushion for couch, back support for couch, bed board, bed boards for under mattress, couch back cushions, couch blocker, couch cushion replacement, couch cushion support, couch cushion support for sagging seat, couch cushion velcro to prevent sliding, couch cushions replacement, couch foam replacement cushion, couch pads for sofa, couch stoppers to prevent sliding, couch support, couch supporter for under the cushions, couch supports for sagging cushions, cushions for sofa, deep seat cushions, extra deep couches, foam for cushions, large couch, love seat couches, loveseat cushion, replacement couch cushions, under sofa blocker. This foldable and stackable design ensures a universal fit, suitable for most standard sofas, Loveseat and small couches. Be sure to measure the inside arm-to-arm seat width before purchasing. This model can support up to 400 pounds. Perfect for breathing new life into your living room seating—comfort, support, and durability all in one.