Build strength, improve flexibility, joint mobility and get closer to your fitness goals with the new Zen Flex Cable Resistance band sets. With the Zen Flex Heavy Duty Resistance Band Set, improve workout quality and make your workouts challenging for optimal results. The bands aren't restricted to one muscle group, they can be used to exercise all muscle groups of the body. Made with high-quality TPE, the Zen Flex resistance bands help you gain control, improves form and perfects techniques as you work towards achieving your fitness goals. Great workouts do not have to be at home alone, carry the resistance bands around conveniently for dynamic exercises anywhere, and anytime.