1.SUITABLE FOR ANY EXERCISE: Our resistance band provides an effective workout. Different bands are very suitable for learning pull-ups, pilates, flexibility, weightlifting, pull-ups, yoga, stretching, gymnastics, physiotherapy, push-ups, bar and dumbbell assistance etc. Use the activity belt to exercise your arms, back, legs and glutes at the same time to help strengthen ligaments or muscle tears. 2.SAFE AND DURABLE MATERIAL: The Resistance Bands Set consists of 100Percent natural latex and does not contain any soluble protein (latex allergen). The fitness band set is not only and skin-friendly, but also 4.5 mm thick enough to have strong tear resistance and durability. So, you can use it without worrying about injury and allergies. 3.COMPLETE WORKOUT: These fitness bands allow you to work all over the body: legs, buttocks, waist, torso, back, shoulders, arms, etc. They are ideal for practicing sports such as yoga, pilates, the gym and stretching exercises. 4.4 SIZES TO CHOOSE FROM: The exercise band set with 4 colors and strengths are suitable for every weight and every strength. Black (15-35 lbs), suitable for muscle stretching and physical therapy rehabilitation; Green (25-65 lbs), suitable for primary resistance band training such as muscle strengthening and arm strength training; Blue (35-85 lbs), used for push-ups and pull-ups; Red (50-125 lbs) is the option for pull-ups, high tensile strength, and advanced harness training.