Full Lumbar Support Ergonomics: The T9 features a dual-zone lumbar support system with two independently adjustable lumbar pads, each equipped with dual springs for dynamic support. This design ensures a large contact area, effectively supporting the lower back and promoting healthy posture for extended sitting periods. Certified Quality: Constructed with premium materials and tested to meet international standards, including BIMA strength tests. Broad Market Appeal: Designed for both workspace and home office environments, suitable for a wide range of users, from e-commerce sellers to physical retailers in the ergonomic chair niche. Easy to Assemble & Ship: The T9 arrives flat-packed with clear instructions, allowing for quick assembly by end-users or retailers. Its modular design ensures efficient shipping and handling, reducing logistics costs and time. Option Choices Color: Classical Black, Grey Seat Material: Mesh structure, Standard Dragon Pattern Mesh or Horizontal Pattern Mesh Chair Base Material: Chromed-plate iron base or nylon base