Seeing is essential; it doesn't need to be complicated. The most versatile and easy-to-use magnifying lenses available, Flex Spex are adjustable reading glasses that feature a magnetic connection along the bridge of the nose, allowing you to quickly place them where you need them. Sturdy clips at the end of each stem hook firmly to the brim of your cap or the stems of your sunglasses. Available in 2X or 3X magnification. Made in USA.