Popular Mesh Chair Seat Cushion. Sizes to Fit Many Popular Mesh Chair seats.
Ideal Fit for "B", & "C" Size Only [Size "A"No longer available] Aeron Ergonomic Style Mesh Chairs. Easy Installation - Stays put.
BioFlex Foam restores Life and Comfort to Mesh Chairs.
Size B fits chair Size: 19"D x 18-1⁄2"W
Size C fits chair Size: 21"D x 19-1⁄2"W