Knocked Down with tool free removable arm and back * Comfortable cushioned seat and backrest * 1 Aluminum frame is lightweight sturdy and corrosion resistant * Height adjusts in 1 increments (18 -23 ) * Back reverses without tools * 3 Position Back depth is adjustable from 18 - 19 in 1/2 increments * Extra large suction cups provide added safety * Limited Lifetime Warranty * Weight capacity: 300 Lbs * Non-retail carton