packing:Each bag contains 10face mask lanyards, 10black.characteristic:?1. The rope is very light. You can hardly feel it when you wear it.?2. The movable buckle can freely adjust the length of the rope, so that adults and children and people of any age can adapt.Function Description:?1. The face mask lanyard can protect your mask from losing.?2. When you wear a mask conveniently at work and in normal social intercourse, when you don't need to wear a mask, you don't need to worry about folding it into your pocket or still on the table.?3. It is suitable for use with disposable mask or reusable mask, just clamp the elastic band of the mask with the clip at both ends of the rope.?4. When you consider the shortage of mask, this kind of face mask lanyard brings you perfect solution.