High-Quality Thermal Printing - These 4x6 inch fan-fold thermal shipping labels deliver sharp, high-contrast print results. Every label prints clearly and accurately, helping reduce scanning errors and improve delivery efficiency. 500 Labels Per Stack - Each pack includes 500 fan-folded thermal labels, ideal for high-volume printing without the need for frequent reloads. Perfect for e-commerce sellers, warehouse operations, or small businesses handling daily shipments. Compatible with Popular Thermal Printers - Designed to work seamlessly with major direct thermal printers including Zebra, Rollo, Munbyn, Polono, JADENS, and more. No ink or toner required—just plug in and print for efficient, cost-saving shipping. Permanent Self-Adhesive Backing- These labels come with a strong, permanent adhesive that sticks firmly to cardboard, kraft paper, poly mailers, and more. Resistant to smudging, curling, and peeling—your labels stay put from warehouse to doorstep. Eco-Conscious & BPA-Free - Crafted from premium BPA-free thermal paper, these labels are both durable. A smart choice for businesses that value sustainability without compromising print quality or adhesion. Simplify your shipping process with our 4x6 Thermal Shipping Labels – optimized for speed, reliability, and compatibility. Each pack includes 500 high-quality fan-fold labels that fit perfectly with most direct thermal printers.