Our resistance bands have two lines of extra grip sewn on the inside that ensure they will not slide or roll up during workouts. Cross Fit, Hot Yoga workouts, Beach body or Booty Workouts. Approximately 120 pounds resistance force. Perfect for the gym, home and programs like 80 Day Obsession. Workout Program included with best booty building exercises to strengthen and tone your legs, thighs and butt. Whether you are a beginner or an athlete, our bands will help you see results.