Thera-Band FlexBar, Color: Light RedWaffle-surfaced exerciser can be used for strengthening, oscillation and mobilization. Improve grip and upper extremity strength with this lightweight, portable exerciser. The FlexBar is also applicable for oscillation and soft tissue and joint mobilization. Available in three color-coded levels of resistance, based on the amount of force needed to bend the FlexBar into a U-shape. Includes an exercise guide.