Thank you for viewing! This is a Style posture support seat that helps you maintain an ideal S-curve posture by tilting your pelvis. The low-resilience x high-resilience urethane structure provides a comfortable seating experience and distributes body pressure, reducing the burden on your lower back. Recommended for those who work from home, study, or sit for long periods. The condition is generally a beautiful item with little use. Only those who understand that this is a used item, please purchase. Beautiful item No problems with operation or use No returns accepted. Instant purchase is OK. Thank you. #PostureSupport #StylePremium #StylePremium #PelvicSupport #PostureCorrection #WorkFromHome #ChairCushion #LowerBackPainRelief #BeautifulItem