Theraband Patient Exercise packs contain 1.5 metres of exercise band and a 16 page colour booklet covering 40 exercises for the upper and lower body. Different coloured theraband offers different levels of resistance: Red = Medium Resistance Green = Heavy Resistance Blue = Extra Heavy Please take advice from your physiotherapist as to which colour you need. Safety Note: It has been recently recommended on health and safety grounds, that you should wear eye protection when exercising with theraband to avoid eye injury, should you suddenly lose your grip on the band whilst exercising.