It is very important to carefully read the instructions in the box.
Knead the plugs between your fingers to make them more malleable. In this way, you can position them perfectly.
PLEASE NOTE: As indicated in the instructions, the plugs must remain close to the surface, and not pushed into the ear canal.
put the plugs back in their box between sessions.
Main fabric : 100.0% Thermoplastic Polyethylene (TPE)