General description The SIHOO Office Desk Chair is an ergonomic computer office chair designed for comfort and support during long hours of work. It features an adjustable headrest and lumbar support, along with a high back and swivel functionality, making it an ideal choice for any office environment. Technical specifications Weight capacity: 150 kg Static pressure test: Passed BIFMA and 1136 kg Installation Easy assembly with simple instructions Can be assembled in just 8 steps Usage 5 ergonomic adjustment settings for a customized sitting experience Adjustable back support, headrest, seat height, recline, and height-adjustable armrests W-shaped seat design for centered positioning Waterfall seat edge to minimize pressure on legs High-density sponge cushion for comfort and shape retention Other information Breathable mesh backrest for airflow, keeping you cool and comfortable Customer satisfaction guarantee with free returns and refunds within 30 days for faulty products Free