LIGHT AND SECURE: The mask holder is attached to the back of the head and ensures that your mouth and nose protection stays in place. This reduces the face mask from slipping.^ COMFORTABLE & FLEXIBLE: The mouthguard holder relieves your ears and relieves pain in the ears. Due to its low weight, the individually adjustable mask holder does not bother you. It is therefore often used as an ear protector.^ COMPATIBLE: As an extension for mouthguards, the clip is compatible with all common masks. The mask hook sits on the neck and adapts perfectly to the shape of the head.^ AREAS OF APPLICATION: The mask extender is ideal for leisure and all types of professions such as doctors, office workers and laboratory staff. Suitable for adults & children.