Heavy Duty Chair Cushion Support for Sagging Cushions (17x22) Reinforced Plywood Chair Seat Support for Sagging Seat, Under Foam Firming Boards for Recliner and Armchair Saver Stiffener Reinforcement

This product really worked for my chairs. I have swivel-rocker club chairs about 30 years old where the cushions were fine but the springs had begun to sag. I carefully measured the spring area, excluding the upholstery and came up with 21x 17. This brand had the closest measurement of 22 X 17. I ordered them and the 1” extra was taken care of by the give in the upholstery and the product. It was a perfect fit. The chairs are like new. One caveat. Measure carefully for the SPRING area, not the area matching the upholstery. In my chair it was the white area under the removable cushion, not the area where the fabric matches the upholstery. If you measure carefully like that then it fits and nothing sticks out, and it works. You don’t want it sticking out past the spring area into the fabric matching the upholstery area, at least that is how it works with my chairs.

Well made and works like it's supposed to.

Gives sofa chair a lift! Feels like new. Super easy to place! Delivered right away!!

Our chairs were breaking down, but this added a nice layer of support giving them an extended life. I have these in other chairs and they last a long time. Works great and recommend. The only con is in some of the chairs you can see these outline of the insert because they are almost too big for the seat. I don’t mind that you can see the edge, I wanted the chairs to work and be supportive rather than I cared if I could see the edge of the product.

Item number is okay, not what I expected. The wood is kind of thin. Had to use the two pieces to make it work. Not worth the cost.

I just recently purchased this product in hopes that it would help add some stability back to my chair. After using my chair almost daily for the past 4 years the cushion has begun sagging. This product has helped to support my back and not allow the cushion to sag while sitting in the chair. Glad I came across it!

Works perfect!

Definitely helped support more but my opinion is a little more firmer would be even better.