One Box of 500 Direct Thermal Fanfold 4 x 6 White Perforated Shipping Labels Label size: 4 inch x 6 inch (100mm x 152mm) , fan-fold with perforated line. Material: direct thermal labels, upgrade the label, the label backing paper is thicker and the printing is more smoothly. Compatible with Zebra, Brother, Fargo, Elton, Datamax, Sato, Intermec, NEX , MUNBYN, MF label, Comer, Polono Labels, iDRPT, Jiose, K Comer, Label Range, OFFNOVA, and other direct thermal printers without the hassle of sheets waste or jams. （ Shipping Supplies #ResellerSupplies Questions? Leave a comment below!