Adjustable Focus - These adjustable focus glasses allow you to easily customize the lens strength by turning the knob, sliding the lens components until the desired focus is achieved. Flex-Focus Design - Each lens adjusts independently, providing personalized vision correction for various distances. Lightweight Material - Designed to be lightweight and comfortable, reducing pressure on the nose bridge for extended wear. Universal Fit - Suitable for most adults, ideal for use as reading glasses or for close-up tasks. Can also be used by children for educational purposes and science experiments to encourage exploration and learning. Versatile Usage - Perfect for reading, working on digital screens, or engaging in outdoor activities. Package Includes: 1 x Pair of Glasses Note: 1. Due to differences in monitor displays and lighting conditions, the actual product color may vary slightly from the images shown. 2. Please allow a measurement tolerance of 1-3 cm due to manual measurement. (1 inch = 2.54 cm)