4" x 6.5" Premium Direct Thermal Paper Label; Perforated; 0.75" Core; 2.5" OD; 36 Rolls/carton (90 Labels/roll) - For Zebra Printers: QL, QL Plus Series / Datamax: RL4, RL3Width: 4" Length: 6. 5" Core Diameter: 0. 75" Outer Diameter: 2. 5" Product Line: Premium Direct Thermal Printer Type: Mobile Material: Direct Thermal Compatible Paper Perforation: Perforated Color: White Labels Roll: 90 Rolls Carton: 36 Price M:$85. 51 $101. 77 Price Roll:$7. 70 $9. 16 Lead Time: Custom Product Requires additional processing time Notes: For Zebra Printers: QL, QL Plus Series Datamax: RL4, RL3