Specifications Instruction:Optical Variable Ink will show different color in different angles. Printing Method:Screen printing,gravure printing. Usage :Optical Variable Ink is widely used in security printing ,such as luxury products,wine box ,cigarate box,,currency,security document,label and so on. Color:22 colors are provided . Optical Variable Ink,It is appliedDifferent kinds of anti-counterfeiting packaging,secuities card,famous trade mark etc Optical Variable Ink,It is appliedDifferent kinds of anti-counterfeiting packaging,secuities card,famous trade mark ,certifcate and note,banknote,etc Optical Variable Ink ,is the most complx interfeometric type of anti-counterfeiting ink.the presswork is provided with florid and metallic color.the color spot will present complet different colors while varying the viewing angles in the day light,such as red-green , green -blue,golden-silver etc FAQ Q:How do I pay for my purchase? A: we accept the following payment methods: Cridet Card; Moneybooker; Bank transfer; Western Union, ETC. Q:Is there any tracking Number for my item? A: Yes, we ship every order with their Tracking Number, and you can view the shipment staus on the corresponding website. Q:Does this product come with retail package? A:We have declared the packing detail on the description of each product, please check it, thank you! Q:I am a reseller,I would like to buy order big order, what's the wholesale price? A: If you would like to buy large quantity , please email us . We are factory outlet and can give u a best price , what's more, all the products have in stock now . We can guarantee fast delivery . Q:I have a local retail wesite , how can I do if I want to sell your product? A:You can use the production information and photos in our store, pls contact u