... , most popular for promotion --300gsm and 320gsm black center paper: high quality --250gsm, 300gsm, and 350gsm art paper-- for card games mainly ... 4. Imprinting: CMYK and Spot colors5. Packing:paper tuck box, (plastic box, gift box and tin box for choice) Carton Size:31x26x21cm, 11.5kgs/ctn, ... , Educational cards, As Gift, etc.Other reference information: Paper Playing Cards [Custom Design Accepted]