These sofa bed replacement parts are designed to restore the original comfort and support of your furniture. The springs are easy to install and fit seamlessly into various types of furniture, including sofas, chairs, and beds. Their robust design ensures they can handle the weight and pressure of daily use, providing a solution. Features -Color:Black -Material:Steel -Size:10.00X10.00X10.00cm/3.93X3.93X3.93in -Enhanced comfort: high elasticity design offers sturdy comfort and support, improving your seating experience -Robust construction: made from materials that ensure longevity and prevent deformation, extending furniture life -Stable seating: independent spring structure isolates vibrations, delivering a stable and comfortable seating experience in any setting -Effortless installation: easy to install, these springs can replace old ones, revitalizing your furniture and improving its quality -Multifunctional: suitable for a variety of furniture including chairs, mattresses, and sofas, meeting diverse requirements for a cozy home Package list: 10pcs x Upholstery Springs