For those who are planning to add strength training to their daily exercise routine, resistance bands will be great to start with. These strong bands are made of elastic to help in making your muscles stronger using the concept of motion and tension. Made of the highest quality natural latex, which is extremely durable, JUST CASES resistance bands will maintain their resistance for a long time. Each tube band is double layered and carefully constructed to provide maximum resistance. Resistance bands set are the perfect tools to perform a wide variety of exercises to strengthen the upper body and lower body muscles. This makes them ideal for any type of strength training routine. With the ability to combine any of the five bands together to achieve multiple levels of resistance, you will be able to enhance the effectiveness of each workout with ease. Benefits of resistance bands.