color: blue, white
material: pvc
function: breaking training
package include: 1pc breaking lung expander
size: 10 * 4 * 5cm (3.94 * 1.57 * 1.97in)
Feature
1.100% brand new and high quality
2.Suitable for Respiratory trainer
Note:
Please allow minor error due to manual measurement.
The colors may be a little difference for the different monitor display.![](https://i.ebayimg.com/00/s/MTAwMFgxMDAw/z/HfMAAOSwZVhl0IRj/$_12.JPG)
![ibay365](https://np1.ibay365.cn:666?cid=45392&id=295848257208)