Folding Plastic Training Chair Writing Table Pad Office Study Student School Furniture. Customizable Components: Back, Seat, Leg, and Function can be customized with specific materials and dimensions. Ergonomic Lumbar Support: Features elastic adaptive fixed lumbar support for enhanced comfort during long sessions. Silent Anti-Vibration Wheels: Equipped with 60mm luxury silent anti-vibration castors for smooth and quiet movement. Durable Steel Base: Constructed with a 350 square steel tube base for maximum stability and strength. Long Warranty Period: Provides a 2-3 year guarantee covering mechanical defects and quality issues. High Production Capacity: Supply ability of 50,000 pieces per month ensures timely delivery for large orders. ISO9001 Certified: Manufactured under ISO9001 certification standards ensuring consistent product quality.