Zebra CUSTOM LAB-RL-TT-SYN-38.1X50.8MM, POLYO 3100T, Material 05151RM, Printer Model ZM400, Printer Mode Peel Off, Printer Feed Internal, Label Width 38,1mm, Label Length 50,8mm, Total Web Width 41,275, Roll Outside Dia 194,36, Core Outside Dia 82,55