Huanix Professional Strength Twister - Flexible Rod - Heavy Duty Spring Chest Expander for Shoulder, Arm and Chest Exercises.50kg Resistance Band  (Multicolour, Pack of 1)

Description Tension Size: 30kg, 40kg, 50kg, 3 sizes for you to choose Material: High-quality carbon steel spring and non-slip ABS plastic handle Easy to carry, convenient for exercise in the office, school, home, travel, etc. The flexible rod is very suitable for arm, shoulder and chest exercises, and is very suitable for upper body strength training Warm Tips: You need to choose the size according to your physical condition/muscle level, we can guarantee the product quality for you, but we cannot guarantee that everyone is Stallone, Schwarzenegger and Hulk.