1. Use non-slip: put on the tail of the glasses, exercise (such as running, swimming, playing, dancing) to prevent the glasses from falling.
2. Vintage and exquisite, compact and lightweight
3. Length about 75cm Manual measurement with error
4. Weight about: 5g
5. Suitable for the crowd: Children who are interested in sports, children who need to use fixed eye glasses, and elderly people who often wear glasses
Specification:
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