Height adjustable to maximise comfort, easy to attach elastic strap fits most chairs, two wings move independently to mould to your back with vents to promote airflow, delivers full back support for extended periods of sitting. Designed to mould to your back for maximum comfort, the Back Angel Back Support has distinctive wings that move independently and deliver full back support for extended periods of sitting. Height adjustable to seven different settings of between 14 and 23cm, the design also incorporates vents to promote airflow. Easy to attach using the elastic strap, the modern grey design complements almost any workspace.