Hottest Promotional post card 1.high quality, 2.reasonable price, 3.manufactory 4.usage:as product manual Hottest Promotional post card--used for education, promotional , gifts ,christmas, advertisements and shopping purposes .--material : art paper 200gsm( or 157gsm ,200gsm>250gsm ).--Printing : four colors printing.--special process : silver stamping, or matte lamination finish , emboss/deboss ...