Greeting Card 1. Material :400gsm or300gsm art paper 2. Certification: DNV and ISO9001 3. Direct factory price Greeting Card Expressing Your Heart1.Material :400gsm or300gsm art paper (it is commonly used)2.Size:86*54mm3.Printing craft:* silk screen printing* 4 color offset printing(CMYK)* matte, varnishing, glossy,* can add barcode ,signature panel, scratch area, etc.* add lable for writ ...