Bausch & Lomb 2200 Sight Saver 2X Magnifier 

Bausch & Lomb Sight Savers Credit Card Size Magna-Thin Magnifier Loupe 2x 2200 with Case

Specifically designed Fresnel lenses are molded into acrylic, not stamped, to provide optimum image quality. Different style available to satisfy a variety of needs from small wallet size for convenient to full page magnification.