Barcode Label - AirTrack Performance - 4" x 6.5" White Paper Label - Thermal Transfer - Permanent Adhesive - Perforated - Wound Out - 3" Core - 8" Outer Diameter for Industrial Printers. 900 Labels per Roll - Priced per Roll. Also Available as a Case (Part# ATT-4-65-900-3-PERM). (Compatible E06176-R).