The high-density sponge cushion insert is an excellent choice for those looking to improve the support and comfort of their sofa. Its construction ensures performance, while its easy installation process makes it a convenient way for sagging cushions. Features -Color:Black -Material:Sponge -Size:50.00X50.00X5.00cm/19.65X19.65X1.97in -Note: This product has color difference -High density sponge insert: designed with high density sponge, this insert effectively restores sagging sofa cushions, providing enhanced support and comfort -Application: make this sponge insert suitable for a wide range of sofas, ensuring a fit for your furniture - construction: made from reliable sponge material, this cushion support is built to last, resisting deformation and wear over time -Effortless installation: this sponge insert is easy to install, allowing you to quickly upgrade the support of your sofa cushions without any complicated steps -Enhanced experience: by firm support, this sponge insert improves your sitting posture and comfort, making your sofa more enjoyable to use Package list: 4 x Furniture Seat Support