This snaps into the frame, size B medium, made of plastic, mesh is black and the ring around it is black.

We sell over 100 different used parts. If you want to figure out what is wrong with your chair, and how to fix it, buy our twenty minute diagnosis via email, text, video or call for $20.00, purchase at this link, https://www.ebay.com/itm/255193158645

If you are in Florida we might be able to come to your location and repair your chair for you, if you are interested please ask us for a quote, so we can let you know how much it will cost.

Please let us know if you have any questions.

This is pre-owned, needs deep cleaning, has a bur in one upper rear corner by the trim ring, (you don't see it on the underside of the mesh), shows wear that may need touch up paint, but is ready to be put to work on your chair.

This is for one mesh that goes into the frame. This fits the size B chairs and are genuine OEM pieces for the Aeron office furniture line by Herman Miller.

If you want multiple parts we can combine shipping.