Fellowes Back Angel Back Support 8026401 Designed to mould to your back for maximum comfort, the Back Angel Back Support has distinctive wings that move independently & deliver full back support for extended periods of sitting. Height adjustable to seven different settings of between 14 & 23cm, the design also incorporates vents to promote airflow. Easy to attach via an elastic strap, the modern grey design complements almost any workspace. Delivers full back support for extended periods of sitting Two wings move independently to mould to your back with vents to promote airflow Height adjustable to maximize comfort to 7 different settings (from 14cm in the lowest setting to 23cm on the highest) Easy to attach elastic strap fits most chairs Accredited against BS EN ISO 9241 by FIRA International Ltd, an independent Ergonomic Accreditor