Three diffrent resistance levels Ideal for everyday fitness, stretching, strength training, physical therapy, and more Super portbable and easy to slip into gym bags Kitting you out with 3 resistance levels, these bands are great for strength training, stretching and injury rehabilitation. Lightweight and compact, throw it in your bag to remind you to stick to those post-work exercise plans. Please note: Resistance bands are made of latex which is an organic natural substance, which will break down and deteriorate over time. It should therefore be protected from extreme temperatures, chemicals, perfumes, sweat and moisture, all of which may speed up deterioration. Storing these products properly will help prolong the life of the product. Resistance bands should be laid flat and dusted with talcum powder from time to time. This prevents the rubber from sticking together.