Oajen arm pad for office chair, sold per pair, fits most newer office chair Oajen arm pad for office chair. Sold per pair. Overall size 10-5/8" x 3-7/16". Use 1/4" - 20 bolt (not included). Please make sure the hole spacing is 4" before purchase. Made of soft touching PU that cushions your arm. Contoured to fit arm for hours of use. Made in Taiwan.