A precision made highly efficient lightweight magnifier with a unique double lens arrangement. Hangs comfortably around the neck leaving both hands free for you to use. Large 4" optical grade acrylic lens offers wide field for normal use, smaller inspection lens for close up inspection. Perfect for the seamstress in your family. Wearable magnifier with stand-off frame and adjustable neck band for hands-free viewing 4" round magnifier with 1-3/8" bifocal lens for close inspection Optical-grade acrylic lens in plastic frame Made in USA