Shinnwa Couch Cushion Support for Sagging Seat Curve Sofa Cushion Support High Density Foam Under Seat Sag Repair Replacement, 20" x 20"

If you would like to extend the life of a sofa this is the product for you.. my sofa if left as I had purchased had soft seats meaning I usually place more foam in the covers too o keep them plump..but these are a firmer foam that doesn't lose its shape when you sit producing a firmer seat .not hard but firm..you can actually sleep very ..I won't have to buy another sofa for several years..no sliding, pillows stay in place..it's actually a great product and I recommend..

My mother's couch was sagging in the middle, but she still liked the couch so we purchased this Shinnwa Couch Cushion Support for her about 4 months ago. I asked her how it was holding up the other day and she said it is working out great! She put the support under the middle cushion on her couch so you can't see it and now she can sit on the couch with firm support. Honestly I was expecting her to say that after 4 months it was flat and didn't hold up, but gladly that was not the case. She said it was the right choice for extending the life of her couch. The item arrived quickly and was well packaged.

the two foam sheets are working out well as back cushions on my sofa to firmly support my back. the slight curvature is very helpful for back support. i was surprised that they were bare foam, but i will put a pillow case over them.

Worked well on the loveseat, so I ordered three more for the sofa. Be sure to READ THE WRAPPING. You have to give these a full day to inflate.

I took off my foam because it was too hard to put the couch cover back on. Caused the right side to slouch. After purchasing I happily sit on the right side again. It's firm. Yes you can definitely tell but I put a blanket over and you can't tell a difference in appearance. I'd purchase another for the left side. Don't make since to use hulk force to try and put on the cover to wash. I have a toddler so make your judgments. Overall though it serving its purpose. Cost effective than buying a whole new couch.

cushions are not sturdy enough. when you sit on them they move around too much. i will look around for a better deal.

This is a 1 in piece of foam that was vacuum packed and one of them won't even expand.It looks nothing like what's in the picture. It would not help anything on my couch even if it would expand because there's no density. I will post a picture with this review.

This product does nothing for the support of my sofa. I cannot tell a difference at all. I really needed supportive help and this product was a huge let down.

Could the cushion be any thinner? Reality does not resemble the advertisement. I feel next to no difference in the firmness of the sofa cushion.

This produce doesn't work. I paid 25 for a piece of thin foam I could gave gotten out the dumpster. Very dissatisfied!!!!