The Herman Miller Aeron Chair Replacement Seat is designed for an office setting. It is in Mineralite color and fits the Medium Size B Classic Mineralite model. Made of plastic in the United States, this Operator/Task Chair seat pan offers comfort and durability. It is a genuine Herman Miller product, ensuring quality and compatibility with the Aeron Chair. Perfect for upgrading or replacing the seat of your Aeron Chair for a comfortable and ergonomic seating experience in the office environment.