Resistance Bands Set for Intense Workouts. For effective fitness training, you don't always need workout partners or bulky sports equipment. With these resistance bands, you can easily create your own workout at home. The door anchor allows the bands to be secured in the door. However, even without a door, the included loops and handles provide for a comprehensive workout. Choose between 1 to 5 bands of varying resistance levels to customize the difficulty and intensity to your preference. To stay in shape while on the go, the resistance band set can be easily transported in the carrying bag.