2 Stacks (4000 Labels Total) of 4" x 6" Zebra Compatible Fanfold Shipping Labels For Zebra Printers 4x6 Labels are bright white for professional results, Labels are smudge-proof as well as water and oil resistant 4" x 6" 2,000 labels per stack Perforation between labels, All temperature permanent adhesive is excellent for cold temperature applications as well as general purpose labeling Each stack is packed into a polybag to protect it from dirt, sunlight and scuffing BPA Free, For use with Zebra/Eltron, Datamax, Intermac, SATO and Fargo Thermal Printers