The set of Calmia resistance bands contains 3 oversized bands with different resistance levels: one light, one medium & one heavy. The bands can be used for both upper & lower body exercises & they will direct your focus at the abdominals, biceps, triceps, shoulders, back or other muscle groups. The bands are handy as they can serve as a tool for warming up before exercise, as a part of exercise routines & drills & for rehabilitating muscles & joints after injuries.