Features：
1. Product Type - Executive Chair
2. Recommended Daily Usage - Light Usage (Up to 8-10 Hours)
3. Designed - Japan
4. Maximum Load - 300 Pounds
5. Weight - 55 lbs
6. Certifications - Yes (SWISS Certified)
7. Swivel - Yes
8. Headrest Included - No
9. Lumbar Support - Yes
10. Tilt Mechanism - No
11. Center Tilt - No
12. Tilt Lock -No
13. Adjustable Tilt Tension - No
14. Adjustable Armrests - No
15. Seat Height Adjustment - Yes