PVC Magnifier with 3x Magnification and 0.5mm Thickness, Ideal for Promotions. Portable and easy to carry Material: PVC Size: 8.5 x 3.3cm Thickness: 0.5mm Magnification: 3x Ideal for reading books, menus, maps, cellphone screens and other small printings Suitable for promotional gifts or souvenir purposes Useful, beautiful, smart and economical.