The Parts and Accessories include genuine Zebra parts for any thermal transfer or direct thermal printer. Part Details: RFID Labels - Zebra Z-Perform 1500T - General Purpose - 4'' x 6'' (101.6mm x 152.4mm) - Thermal Transfer - Permanent Adhesive - Perforated - Zebra ZBR2000 Inlay - 3'' Core - 5'' OD. 200 Labels/Roll - 2 Roll Per Case - Priced Per Case. Compatible With ZD621R/ZD500R/RXi4/ZT400R/ZT600R