Special Note: If you are an American friend, it is recommended that you do not buy it. Because U.S. Customs refuses to accept prescription glasses. Thank you for your understanding Product category: reading glasses Material: TR90 Style: full frame Style: comfortable Color: black and grey Ultra-light and soft: reading glasses material is made of ultra-light plastic peptide (TR90), soft and non-irritating to the skin, suitable for both men and women. Adjustable Frame: You can adjust the temples for the perfect fit. The rubber temples are softer and more comfortable to wear according to the face shape. Portable Design: Reading glasses stay closed on the bridge with strong magnets. With the temple ends attached, you can hang the glasses around your neck and use them when needed. COMFORT: Super soft silicone nose pads, non-slip, ergonomic