New High Black Black Modern Office Executive Chair Computer Desk Task 26. Comfortable arm rests 360 degree swivel for the chair. Adjustable height from 17" to 20", Seat Size: 22"(W) x 16"(D) Back size: 20"(W) x 28"(H) Weight Limit: 250LB. Buy this Chair and Save $143 Off on a Modern Office Executive Chair for $65 after promo code DADSGRADS with free shipping at Rakuten.com.