Full back support 3 memory foam sections conform to the body's natural curvature Tri-tensioning attachment For use on most chairs Colour: Black Innovative Tri-Tachment™ ensures stability eliminating constant readjustment Built in Microban protection fights the growth of harmful bacteria for the lifetime of the product 3 Section lumbar support expands and contracts to natural body curvature Thoracic Support is contoured with a low density foam to optimise the postural support in a subtle application Fully adjustable design allows it to fit most office chairs Easy setup: Place support on chair, position your back and just clip the straps!