ERGONOMIC S-SHAPED SUPPORT: Designed with an ergonomic S-shaped backrest, adjustable headrest and lumbar support, this office chair fits the natural curve of your body. It provides excellent back support and helps reduce fatigue during long working hours. FULLY ADJUSTABLE FOR CUSTOM COMFORT: Featuring 5 adjustable functions including armrests, lumbar support, headrest, seat height and tilt function, this chair allows you to personalise your seating position for maximum comfort throughout the day. BREATHABLE MESH BACKREST: COMFORTABLE & SUPPORTIVE SEAT: The seat cushion is made from a single piece of high-density foam, providing softness and durability while reducing pressure on your hips. Seat dimensions: 52 cm depth × 51 cm width for a spacious seating experience. SMOOTH MOBILITY & EASY ASSEMBLY: Equipped with 360° swivel wheels for smooth movement on all floor types. The chair is easy to assemble with clear instructions, and features a simple lever system to adjust height and activate rocking mode.