Special Note: If you are an American friend, we suggest you not to buy it Because U S Customs refuses to accept prescription glasses Thanks for your understandingProduct Category: Reading GlassesMaterial: TR90Style: full frameStyle: comfortableColor: Black&GraySUPER LIGHT AND SOFT: Reading glasses Material are made of ultra-light plastic peptides (TR90), Soft and non-irritating to the skin, Suitable for men and women ADJUSTABLE FRAME: You can adjust the temples to get a perfect adaptaion rubber temples are softer,more comfortable to wear according to face shape PORTABLE DESIGN: Reading glasses keep closed at the bridge with a powerful magnet As the temples tips are joined, you can have the glasses hanging around your neck and use them when you need it COMFORTABLE: Ultra-soft silicone nose pad, non-slip, ergonomic, fits the bridge of the nose for optimum