DESCRIPTION The Fortress Premium range of band is a great economy type of exercise band with an excellent resistance. Steady 30% increase from colour to colour 1.5m and 5.0m varieties will be provided as a cut from a full length roll 14.5cm width Value Choice 99.9% latex free Premium Fortress Theraband can be used throughout the rehabilitation process as it comes in varying grades of resistance, ranging from easy to super heavy The resistance is marked by the colour of the band, light colours=light resistance, dark colours=heavy resistance