Specifications: Name: Clip reading glasses Frame material: ABS Color: As the picture shows Lens width: 50mm/1.96inch Lens height: 36mm/1.41inch Nose spacing: 15mm/0.59inch Features: 1. Made from ABS material that is ultra-light and durable. 2. Compact and lightweight size for carrying and storing convenient. 3. Compatible with most glasses frames on the market. 4. High light transmission, low color difference and comfortable. 5. Great for stitching, knitting, watching, reading, writing, stamp collection, any other hobbies and projects which may require detailed observation. 6. 60 days 100% money back warranty for any reasons of dissatisfaction with prompt customer service. Note: 1. Please measure the lens size of your own glasses before purchasing! 2. It can only be used with normal glasses (without magnifying power), it cannot be used with reading glasses, otherwise the magnification will be added on.