The product is a seat pan designed specifically for the Herman Miller Aeron Classic chair in frame size C. This seat pan is an authentic replacement part for the Aeron model, known for its comfortable and ergonomic design suitable for office or desk chair use. With no modifications made, this seat pan ensures a perfect fit and continues the sleek and high-quality aesthetic associated with the Herman Miller brand. Ideal for those looking to maintain the integrity of their Aeron chair with a genuine replacement part.