A complete progressive resistance exercise program with bands of progressive resistance to tension. Multifunctional strength training, stretching, muscle retraining training training, coordination training, strength training and basic exercise. Easy to use and portable enough to pick up anywhere. Provides both concentric and eccentric strength on muscles, improving strength, range of motion and coordination. You can use to train one or more muscle groups. Colour-coded, progressive stability from yellow to silver. Helps muscle performance. Different band thickness to increase resistance level.