Kid  adult COVID face mask adapter strap  earloop hook tightener and ear saver
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Kid / adult COVID face mask adapter (strap / earloop hook tightener and ear saver)

Kids’ and adult COVID masks can be too loose The mask can fall off completely if the ear loops are loose and slip off of the ears or the mask may just be too loose and not seal well ...

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Kid / adult COVID face mask adapter (strap / earloop hook tightener and ear saver) alternatives
Face mask strap
Robert Radu