Highcool 10mm Plywood Sofa Support Board — 67x20 Inch Seat Repair for Sagging Couches, Fits 3-Seater

Product overview: Reinforce a sagging sofa quickly with this Highcool support board made from 10mm plywood. At 67 inches long and 20 inches wide, the board spreads support across a larger area to restore seat firmness and extend the life of your couch. What it fixes: Designed to address sagging cushions, worn padding, and weakened or deteriorated springs by adding a rigid base under the seat cushions for improved comfort and stability. Design and fit: The rigid board is foldable and stackable so it fits standard 3-seater sofas and can be folded to suit loveseats or smaller couches. Measure the width of your sofa seat before purchasing to ensure the best fit — this product measures 67 inches in length and 20 inches in width (67x20-inch). Installation: Simple, tool-free setup — remove the cushions, position the plywood support across the seat area, then replace the cushions to enjoy a firmer, refreshed sitting surface. The board can be folded or adjusted to accommodate different sofa sizes. Guarantee and support: Backed by a 100% Satisfaction Guarantee. If you have any questions, contact our 24-hour after-sales team for assistance and service.