- // Features
* High elastic and durable material.
* Softer and easier to use than traditional spring expander.
* Light weight to carry to anywhere to do exercise.
* Different tension for different training level.
* Produced by Taiwan manufacturer with good quality.
- // Specification
* Length: 19.5 x 9.7 x 2.3 CM
* Weight: 142G
* Material: TPR
* Tension: Light, Medium, Heavy.
* Color: Pink, Blue, Green or Customized.