SIHOO M18 stands as the quintessential representation of SIHOO ergonomic office seating . capturing the hearts of consumers worldwide. Guided by the design philosophy of the SIHOO brand . “providing users with healthy and comfortable ergonomic office chairs”. Designers have meticulously crafted this office chair. “Five-point spine protection . quality escort” lies at the core of M18. Offering efficient support for the head . back . lumbar . hips . and arms . it seamlessly conforms to the body’s curves to nurture spinal health. The multidimensional adjustment features make it not just an ergonomic chair but a customized seating experience tailored to your body. M18 incorporates high-resilience foam . breathable mesh . and other materials and passed the rigorous US BIFMA test to ensure both comfort and quality.