School Furniture Classroom Computer Office Mesh Study Meeting Visitor Student Desk Chair. Customized Design: Frame, base, back, and seat materials are fully customizable to meet specific needs. Ergonomic Lumbar Support: High quality ergonomic tension control lumbar support ensures comfort during long hours. Durable Steel Base: Features a 2.0mm thickness round tube black printed steel base for stability. Premium Mesh Back: Back covered with high-quality Hoau Brother mesh for breathability and support. Comfortable Foam Seat: Seat injected with pure cutting foam and covered with fabric for softness. Fixed Armrests: Equipped with PP+GF fixed armrests for reliable support. Rotary Function: Chair features a rotary mechanism for flexible movement. 18-Year Brand Experience: Boke furniture is an 18-year-old brand with sustained development in office chairs.