This set of 4x6 Direct Thermal Shipping Address Printing Labels is perfect for all your shipping needs. With 500 labels included 250 x 2, you'll have plenty to use for all your packaging and shipping needs. These labels are compatible with Zebra, Rollo, and other printers, making them a versatile option for any business or industrial setting. The labels are made by EquiPack and are of high quality, ensuring that they'll print clearly and accurately. They're perfect for use on boxes, envelopes, and other packaging materials. These labels are a must-have for anyone who needs to print shipping labels on a regular basis. 4x6 shipping labels compatible with direct thermal printers, Rollo,MUNBYN,Zebra,iDRPT,Polono,Phomemo,Phomemo,NefLaca,Fargo,OFFNOVA,JADENS,Arkscan,Datamax,LabelRange,Printronix,Jiose,K Comer and most other direct thermal label printers. (NOT Compatible With DYMO and Brother)