TEQIN 4in1 Kit Elastic Yoga Rubber Resistance Loop Bands Stretch Exercise Fitness Belt Resistance bands can effectively improve muscle strength, physical activity ability and flexibility, perfect for weight training Professional Grade Flexibility and Strength Workout Bands Resistance. Get your shoulders, hips, arms and legs toned fast without adding bulk and with minimal effort Perform better using this exercise bands for arms workouts as well as resistance band for legs training. Can also be used as a booty ankle or hip tension bands workout or x-training It only takes minimal effort can achieve great effect in weight loss, Shoulders fitness, Hips exercise, especially Arms workouts and Legs toning, etc Package includes: 1 x Red (10pounds)Band; 1 x Blue (20pounds)Band; 1 x Green (30pounds)Band; 1 x Black (40pounds)Band