Easy and convenience to used. Ideal for reading maps, newspaper , timetables, books or any small text. Product Name : Magnifier Lens Sheet Material : Plastic,Fresnel Lens Magnification : 3x Total Size : 180 x 120 x 0.5mm/ 7.1" x 4.7" x 0.02"(L x W x T) Color : Clear Weight : 15g Package Content : 1 x Magnifier Lens Sheet Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.