The Herman Miller Aeron Remastered B Size Seat Replacement in Onyx is a brand new OEM product designed to provide maximum comfort and support for office workers. With its sleek design and high-quality construction, this seat replacement is the perfect choice for those looking to upgrade their office chair. Made by the reputable brand Herman Miller, you can trust in the durability and functionality of this product to enhance your workspace experience. Onyx color also refereed by some to as gaming or black on black.