Your Hummm Sound earplugs come in a small protective storage pouch made from anti-viral material.
We advise cleaning your Hummm Sound Wave earplugs in-between uses to remove any build-up of dirt and bacteria. Simply wipe down with a cloth and or handwash with warm water. Please do NOT place Hummm Sound in the washing machine!
If you have more questions, please contact us by email at info@cambridgemask.com or Chat button on our sites to connect with our Customer Service Team