FlatSpec TWIST ONE Flat Folding Reading Glasses plastic frame plastic lens non-polarized Lens width: 19 millimeters Made in Italy, TWIST fold completely flat, are uniquely portable, and fit neatly in a pocket or bag Innovative click-in-place temples allow for an easy one-handed on-and-off Pencil-thin, these innovative readers include a 1/2" slim compact durable storage case Strong and lightweight, weighing less than 1/2 oz or the weight of a house key in your pocket Case: 6" Long / 2" Wide / 0.25" Thick ; Frame: 5.5" Frame Width 1.15" Lens Height