The Sports Research Sweet Sweat Mini Loop Fitness Bands are great for targeting your thighs, glutes, and shoulders. These versatile bands can be used for strength, coordination, and balance training. With 5 different levels of resistance bands, you can switch to a stronger band or combine loop bands for even more resistance. This set can be integrated seamlessly with popular workout programs, general exercise, stretching, strength training, or power weight programs. While these resistance bands can be used for exercise, physical therapists also love these bands to help rehabilitate patients suffering from leg, knee, and back injuries. Includes travel-sized mesh bag. Constructed of high quality rubber latex.