eBoot 3X Large Full Page Magnifying Lens Magnifier Lens for Reading The focal length of this magnifying glass needs to be adjusted to a suitable place thus to make yourself comfortable Size: 7 * 4.5 inches (18 * 12 cm); Weight: 16g Suitable for examining fine prints in newspapers, documents, maps, electronic parts, photos and pill bottles Durable and mobile, made out of flexible PVC material with a reinforced edge; It's lightweight and won't break Lightweight, ideal for long reading time without tiring your hands