material: pvc
function: breaking training
package include: 1pc breaking lung expander
color: blue, white
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.
