Herman Miller Vinyl Armpads for Classic Aeron Chair (2 Pack) Synthetic Made in USA Vinyl-covered urethane foam molded over a nylon insert for use with Herman Miller Classic Aeron Chairs only Recommended for Classic Aeron Chairs or Classic Aeron Stools Fits both Stationary and adjustable arms on Classic Aeron chairs and stools Genuine Herman Miller Parts Comes with a 12 Year Herman Miller Warranty