5 Level Resistance(3-20pounds): You will get a set of resistance bands including five colors, different colors represent different stretching forces. Each stretch strength (color) is suitable for different exercise levels and different exercise purposes. And unisex. Resistance Levels: Gym resistance bands come in 5 different resistance levels: Yellow Band (X-Light, 0.25mm), Red Band (Light, 0.3mm), Green Band (medium, 0.35mm), Blue Band (heavy, 0.4mm), Gray Band (X-heavy, 0.5mm).Five levels of workout bands, which can be easily switched at any time according to your preferences and needs. High-Quality Material: Stretch bands is 59 inches4.9FT long and 6 inches wide, made of high-quality TPE material, latex-free, skin-friendlyodorless, smooth surface, safe and durable, can maintain long-term elasticity, not easy to break. Training And Rehabilitation: It is a high-quality elastic band product for resistance training and rehabilitation. It is ideal for resistance training, physi