Z-Perform 1000T 2820 per roll, 4 per case, per pack. Media Size – 3.937″ x 1.9685 ” – 100 mm x 50 mm Media Format – Roll Compatible Printers 105S, 105Se, 105SL, 110PAX3, 110PAX4, 110XiIIIPlus, 140Xi, 140XiII, 140XiIII, 140XiIIIPlus, 160S, 170Xi, 170XiII, 170XiIII, 170XiIIIPlus, S300, S400, S500, S600, Z4000, Z4M, Z4Mplus, Z6000, Z6M, Z6Mplus.