Comfortable office chair in Color D, Size as shown. Designed for extended sitting with a curved mesh back that gently wraps the lumbar region and a native foam cushion for daily comfort. Key benefits Supportive lumbar design: scientific lumbar backrest and an accommodating mesh back that conforms to the lower back for stable support while seated. Long sitting comfort: curved back follows the natural spine curve and the native foam cushion plus internal sponge padding reduce pressure during extended use. Active mobility and adjustability: smooth swivel function, rolling casters, and height adjustment allow easy movement and seating height. Practical arm support: fixed armrests provide steady support without added adjustments. Durable breathable materials: resilient mesh fabric on the back lets air circulate while maintaining shape and support. Features Color: D Size: As shown Back: Curved mesh back with scientific lumbar support Cushion: Native foam with sponge internal padding Armrest: Fixed Swivel: Yes Wheels: Yes Height adjustment: Can be raised or lowered Package includes: 1 office chair (other items not included) Use scenarios Home office: Comfortable for remote work or studying, with height adjustment to match desk height and swivel mobility for easy access to peripherals. Corporate workspace: Suitable for conference rooms or employee desks where steady arm support and lumbar comfort are needed during long meetings. Study or creative work: Breathable mesh back and cushioned seat help maintain comfort during reading, drafting, or focused tasks. Notes Please allow 1 to 3 mm difference due to manual measurement. Actual product color may vary slightly from images because of different monitor displays.