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This is a set of three high-density 40D polyurethane foam pads that slide under sagging seat cushions to lift them back up. The trapezoidal shape is meant to spread load and the foam is trimmable so it can be cut to fit most sofa and chair seats. It is a repair insert, not a replacement cushion: it adds firmness and height under the existing cushion rather than restyling the sofa. Compared with rigid board or plywood inserts, the foam is softer against the frame, but it will not match the firmness of a solid board on badly broken springs.
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This set of 3 couch cushion supports lifts sagging sofa or chair seat cushions. Each one slides underneath your existing cushion to add height and firmness. No tools or setup are needed.
Each support is made of high-density 40D polyurethane foam with a trapezoid shape. The foam resists compression and rebounds, and it keeps the cushion from touching a hard wooden frame or board. The tapered shape helps spread the load and raise the cushion evenly.
Each support measures 20 x 20 x 2 inches and can be trimmed to fit most sofa and chair seats. The supports are vacuum-packed and usually regain their full shape within 24 hours of unpacking. To speed this up, soak the foam in water, wring it out, and let it air dry.
