The Herman Miller Aeron Graphite Medium Size B Replacement Seat Frame is a high-quality office/desk chair designed specifically for the Herman Miller Aeron model. This replacement frame is designed to provide support and comfort for medium size users, ensuring a comfortable and ergonomic seating experience while working at a desk. Made with durable materials and incorporating the signature Aeron style, this replacement frame is a reliable and stylish option for those looking to maintain the functionality and aesthetic of their Herman Miller Aeron chair. I do not see any blemishes in the mesh or cracks in the frame. Ready to replace a seat that has those! Look at the color in the picture or let me know how to tell what color it is.