... as a cotton t shirt screen printing. Common polyester-cotton is 80% cotton, 20% polyester or 65% cotton, 35 ... , wearing comfortable t shirt screen printing, gram usually is between 160 grams to 300 grams, t-shirts too ... 180-260 grams of weight , yarn counts usually is 21 and 32, refers to the average length of ... fiber, the higher the soft, and the veil is divided into normal yarn, half fine yarn and fine ...