• Sturdy acetate frame resistant to drops and small impacts, yet lightweight for maximum comfort even during long periods of use. • Spring hinge that perfectly adjusts to the shape of your face for maximum comfort. • Specially designed for reading, writing, and close-up viewing, also useful for DIY tasks, electrical work, sewing, crafts, and using electronic devices. • Pack of 3 units in Black, Blue, and Red colors, ideal to always have on hand at home, work, car, or office. • Specifications: 40 mm diameter lens, 20 mm bridge, 130 mm temples, and 133 mm frame width.