Card Magnifier Fresnel Lens wholesale china

Perfect for reading small print, newspapers, telephone directories, maps, charts and so on.
Ideal and popular products to act as giveaway items for promotional purposes
On the side of credit card bar magnifier can double the height of letters. It lies directly on the page and requires no focusing. The bar manifier magnifies four lines of average size type at a time and is easily moved down the page at the user's reading speed.
Size:5.3cmx8.5cmx1.2cm