Fitbizlife Exercise Resistance Bands - Set of 4 High Durability Elastic Performance Bands - Great for Strength Training & Physical Therapy, Post Injury Rehabilitation & Home Fitness 4 POWERFUL RESISTANCE LEVELS Fit for all fitness and strength building routines. Great for vast majority of sports in building resistance strength training, including but not limited to: Yoga, Pilates, Running, even Lifting. BEST VALUE SET - All bands are 10 inches long, elastic and durable, made out of eco-friendly natural latex. Includes a portable pouch that will fit your gym, laptop, work or leisure bags. FIT FOR ALL  This set offers wide variety of resistance intervals. As you move through your training you will be able to elevate levels band by band thus working on your strength. Depending on exercise, variations of intensities will offer muscles wide range of movement and choice of workouts. 100 % LIFETIME GUARANTEE - If you are not completely satisfied with your Bands Set for any reason, we offer lifetime refund. No questions asked.