Universal height adjustment on frame allows seat height to be adjusted from 18 to 22 in 1 increments;Comes with seamless padded seat with zippered pouch under seat for added privacy and security of personal items;Removable, hinged, padded backrest can be folded up or down;Caster journals are offset to provide strength; Brakes with serrated edges provide firm hold;Ergonomic handles are easy to grip and are adjustable in height with self-threading knob