Once you have finished with your Doppler please place the Doppler and batteries (the gel is yours to keep) back in its original packaging. Place inside the satchel. Then take the package to the post office. NO payment will be required.
For TENS machines:
Once you have given birth (Dont rush to the post office on the way home from the hospital, we will give you a week or 2 to send it back!) Simply repackage the machine in its original packaging, and place inside the prepaid satchel provided. (The pads don't need to be returned) Then take the package to the post office. NO payment will be required.