Cushion supports are exactly what they sound like: Often made of thin wood boards or dense foam ... prevent and counteract sagging, the supports make your couch more firm, giving you the added ...

The fix for a saggy mattress:Meliusly Sleeper Sofa Support Board This support board stiffens a sagging mattress and folds flat for storage in the bed or beneath the cushions—and it beats the ...

Here, you can see my couch with the sagging pillow. Remove the sofa cushions from the seat ... cover at the bottom that hides ...