RFID Labels, Zebra Z-Perform 1500T, General Purpose, 3" x 1" (76.2mm x 25.4mm), Thermal Transfer, Permanent Adhesive, Not Perforated, BT0573 Inlay, 3" Core, 8" OD. 4000 Labels/Roll, 1 Roll Per Case, Priced Per Case. Compatible With RXi4/ZT400R/ZT600R