4 in x 6 in Direct Thermal Shipping Labels - 40 Rolls (18000)

Our review of these 4 in x 6 in direct thermal shipping labels finds them best suited for small businesses and high-volume shippers who need reliable, ready-to-print postage labels. The largest reason to buy is the sheer quantity and dependable adhesive: 40 rolls totaling 18,000 blank labels with an ultra-strong permanent adhesive make continuous packing runs smooth and reduce wasted labels. The labels are blank with a perforated line for easy peeling and are built for direct thermal printers that handle 4 by 6 labels.

Key Features

• Label size: A full 4 in x 6 in format provides the standard postage and courier layout so shipping barcodes and addresses print clearly without resizing.
• High yield: With 450 labels per roll and 40 rolls included, buyers get 18,000 labels that reduce the frequency of restocking and lower per-label cost.
• Ultra strong adhesive: The permanent adhesive sticks well to corrugated boxes, envelopes, poly mailers and bubble mailers so labels stay put during transit.
• Perforated convenience: Each label roll has a perforated line that makes peeling and applying individual labels quick and mess-free.
• Wide printer compatibility: Designed for direct thermal printers such as Zebra, Rollo and other desktop thermal models, so setup is straightforward for common shipping workflows.
• Print quality: The upgraded thermal material produces clear barcodes and crisp address text for reliable scanning and postage readability.

Who It's For

These labels are ideal for e-commerce sellers, warehouses, fulfillment centers and SMEs that run steady shipping volume and want a low-maintenance, cost-effective supply of postage labels. The large roll count benefits operations that print dozens or hundreds of labels per day and prefer direct thermal printing over adhesive sheets.

Shoppers who use a Dymo 4XL printer should look elsewhere, since these labels are not compatible with that model. Also, those who need pre-printed or colored labels rather than blank thermal labels should consider specialty options.

Pros & Cons

Pros

• High total quantity gives long-term value and fewer roll changes.
• Strong adhesive keeps labels attached to multiple package surfaces.
• Perforated rolls and blank format make printing and application fast.
• Good compatibility with many desktop direct thermal printers for easy integration.

Cons

• Not compatible with Dymo 4XL printers, so check printer model before buying.
• Functionality can be mixed in rare cases depending on individual printer calibration and sensor settings.

Specifications

Our Verdict

These 4 in x 6 in direct thermal labels deliver strong value for businesses that print shipping labels in volume. The durable adhesive, perforated rolls and large total count reduce workflow interruptions and keep packages labeled reliably, provided a compatible desktop thermal printer is used. For the price per label and convenience, they are a practical choice for frequent shippers.

Frequently Asked Questions

Are these thermal labels compatible with my Zebra printer?
Yes, they are designed for Zebra and similar direct thermal desktop printers, but check your printer accepts 4 in x 6 in labels and a 1 in core.

How many labels come in the pack?
The pack contains 40 rolls with 450 labels per roll, for a total of 18,000 labels.

Will the labels stick to corrugated boxes and poly mailers?
Yes, the product uses an ultra strong permanent adhesive intended to adhere to corrugated boxes, envelopes, poly mailers and bubble mailers.