Profession Elastic Fitness Resistance Band Multifunctional Adjustable Chest Expander Hand Muscle Exerciser Training Fitness Tool 

Compared with traditional springs, this chest expander is made of high-elastic TPR material, which does not clamp hair or meat.
The handle is arc-shaped, which fits the palm very well, and is comfortable to hold and can prevent slipping.
It is lightweight, which is easy to carry, and suitable for use in offices, gyms, camping, etc.
The tension can be adjusted freely to meet the needs of different people.
Five levels of force are adjustable, and it is also easy to disassemble.
Whether in sports group training or home exercise, it can improve the muscle strength of chest, arms, legs, shoulders and back.