Portable Magnetic Hanging Neck Retractable Reading Glasses

1. Glasses structure: full frame
2. Glasses style: square frame
3. Purpose: reading books, newspapers, etc. for the elderly with presbyopia
4. Ultra-light, ultra-soft, strong, impact-resistant, wear-resistant
5. PC lens, high light transmittance
6. Lens height: 31mm
7. Lens width: 48 mm
8. Nose distance: 26mm
9. Mirror width: 138mm
10. Weight: about 30 grams