Patented Bulge for the 1st Back Targeted Support: Team cooperated with physiotherapists to re the ergonomic lumbar support pillow with an innovative precision support design. Based on ergonomic theories, the scientific position and thickness of the protrusion can naturally adapt to the lumbar spine structure to alleviate low back pain from long sitting. The upper curved area can fit on your upper back with contour comfort. The sub -support zone is designed with high -density memory foam for targeted support. The winding area of ​​both sides is suitable for your lumbar for the pressure distribution. There is also a pelvic support zone at the bottom of this back support pillow. 3. Back and cool seating relief: Honeycomb prepared with a breathable fabric and integrated with the knitted side sewing, this chair pillow can provide permanent freshness ventilation. Even after long -term sitting, chair rear support pillow, sweating and airless emotions cool and comfortable your back 4. Double belts and straps and anti -slip rear can keep the lumbar support pillow strictly in place for continuous support comfort. For office chairs with this back support pillow fixed and problematic floating and say goodbye to re -adjustments