Product: Bookmark Magnifier BHM-07 Kind: Magnifier Material: PVC Multiple:3X Size:190*64*0.5mm Thickness:0.5mm Groove Pitch:0.3mm Detail: Products Description: Cooper moulding board can be pressed into the shape. We can assure the definition and the luminous flux of the products. They are made by the uncopied moulding board. Products Specialty: Bookmark type, ultralight and ultrathin, unbreakable, made of PVC, magnified three times, ultraclear, print the ad.