Restore Life And Comfort To Your Mesh Chair Seat with the Stratta Mesh Chair Seat Cushion. Retrofit your Aeron or other mesh chair with this comfortable seat cushion. Not only does this specially-designed cushion increase seat comfort, it also reduces instances of clothing fabric pulls. Slips on easily. Made with environmentally-friendly BioFlex Hybrid soy-based foam. Extra Large Size to fit popular mesh seats. Cushion height is 2". Chair Not Included.