High-density Foam: The sofa support cushion is made of high-density 45D sponge, high hardness/high durability/no odor and other high-quality materials, high quality to bring long-lasting durability and improve the support of sofa cushions Couch Cushion Support: When a seat starts to sag, it does not need to be completely replaced; Our couch cushion support foam can be placed under the cushion to support the cushion to extend its service life Renewed Look: Effectively repair and fix your sagging furniture cushions with this Sofa Sag Support, and give your sofa a completely new look in no time Curved & Cuttable Design: The curved design have better Anti-deformation capacity and compressive performance, it can repair sagging better; The foam can be easily cut to improve the fit Wide Use: For use on chairs, sofas, or other furniture with removable cushions, as long as they have similar sagging cushion problems. Effectively repair sagging and improve the comfort and support of the sofa