Our exclusive line of 3D Greets Post Cards with 3D Glasses attached, combines the convenience and economy of a Direct Mail piece with the impact of visual 3D enhancement. The 3D Greets format can be printed with any number of colors. A variety of different lens configurations are available from 3D, Fireworks, Decoder, and Eclipse. Great souvenirs or custom retail product for your museum, theme park, and exhibit. Get your message out with this affordable direct mail marketing piece.