Racxily Set of 4 Stacking Office Chairs, Ergonomic Polypropylene Seat with Steel Frame. (4 pcs)

Highlights

• Advanced Composite Engineering: The chair utilizes injection-molded polypropylene reinforced with fiberglass, creating a dual-component structure where the seat and backrest work in concert to provide dynamic support while maintaining lightweight durability.
• Scientific Ergonomic Design: Featuring a precision-contoured backrest that mirrors natural spinal curvature, this chair delivers targeted lumbar support to reduce fatigue during extended sitting sessions.
• Industrial-Grade Stability: The 11mm solid steel tripod with arch-braced construction undergoes multi-stage surface treatment, achieving 180kg load capacity through rigorous stress testing and corrosion-resistant finishing.
• Certified Durability Verification: Exceeding standard testing protocols with 108kg backrest tensile strength verification and 120,000-cycle push-back endurance testing, complemented by waterproof surfaces that resist stains and abrasion.
• Practical Design Intelligence: The integrated handhold and concealed fastener system combines effortless portability with streamlined aesthetics, while color-blocking options enable personalized style adaptation for modern workspaces.