We use 250 grams, 270 grams, 280 grams, 300 grams, 330 grams, art paper, grey core paper, black core paper poker, bridge size and poker size, mini cards’ size; and so on. We also have 100% plastic playing cards, such as 0.32mm thickness, 2.5"x 3.5", etc; plastic casino playing cards quality. So far, we produce your required playing cards, everything.