Thera-Band SkywardActiveHealthCentre Sale! from 500 /per Resistance Very light (Yellow) Light (Red) Medium (Green) Medium to heavy (Blue) Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Theraband is available in multiple colours indicating varying resistances to suit exercises for every part of the body. Each band typically measures around 5-6 feet in length.