Twenty inches wide against the armed chair's 22.5, and the reason is spacing: with no arms it tucks completely under the tabletop, which protects the cushion overnight and keeps the aisle clear for servers mid-service. Depth is 24.5 inches, seat 18.5, back 33.5, weight 19 pounds. Grey 01 Durarope over a black aluminum frame, seat cushions from the contract fabric card. Run them down the flanks of long tables. Four-unit minimum.