FungLam 4 in x 6 in Thermal Mailing Labels - 1800 Labels, High

In this review of the FungLam 4 in x 6 in thermal mailing labels, the bottom line is simple: these rolls are aimed at small businesses and high-volume shippers who need a budget-friendly, reliable source of direct thermal shipping labels. The package delivers 4 rolls with 450 labels each (1800 labels total), and the single biggest reason to buy is the combination of wide printer compatibility and strong adhesive that keeps labels on parcels during transit. The reviewer found the labels print clear barcodes and hold up to moisture and handling in most shipping environments.

Key Features

• Thermal size: The 4 in x 6 in label size is the standard shipping dimension for most carriers and prints full shipping addresses and barcodes without scaling.
• Roll quantity: Four 450-label rolls provide 1800 labels overall, useful for businesses that process batches of orders without frequent reordering.
• Durability: The upgraded material resists stains, scratches, water, dirt and grease so printed barcodes and addresses remain legible during handling.
• Adhesive strength: The ultra strong adhesive sticks to boxes and mail pieces to reduce label loss in transit and can remove the need for extra tape on most surfaces.
• Perforation: Perforated rolls are easy to tear and peel, speeding up packing and reducing label handling time.
• Printer compatibility: Works with many direct thermal printers such as JADENS, Rollo, iDPRT and MUNBYN, making these labels flexible for common shipping setups.

Who It's For

These labels are best for ecommerce sellers, small warehouses, and home-based businesses that use direct thermal printers and need a cost-effective supply of standard 4 in x 6 in shipping labels. The pack size of 1800 labels suits sellers processing dozens to hundreds of packages per week who want durable, water-resistant labels that print clear barcodes.

Shippers who require labels for specialty printers not listed, or those who must use thermal transfer or specific core sizes for non-standard machines, should look elsewhere. Also, users who need guaranteed perfect adhesion on every surface may want to pilot a roll first, since customer reports on adhesion and thickness vary.

Pros & Cons

Pros

• Large quantity (1800 labels) at a competitive price for high-volume shipping.
• Material resists water, dirt and scratches so barcodes stay readable.
• Strong adhesive holds labels on boxes and envelopes for normal shipping conditions.
• Perforated rolls and clear printing reduce packing time and scanning errors.

Cons

• Adhesion feedback is mixed among users, so some surfaces may see labels tear or peel when removed.
• Thickness perception varies by user; some report thinner sheets compared with other brands, which may affect handling preference.

Specifications

Our Verdict

FungLam 4 in x 6 in thermal mailing labels are a practical, value-oriented choice for merchants who need a large supply of standard shipping labels that print clearly and resist common shipping hazards. While adhesion and thickness have mixed reports, the overall durability and broad printer compatibility make this pack a sensible buy for most small businesses looking to cut label costs without sacrificing reliability.

Frequently Asked Questions

Will these labels work with my direct thermal printer?
They are compatible with many direct thermal printers that accept 4 in x 6 in labels, including JADENS, Rollo, iDPRT and MUNBYN; they are not compatible with DYMO-style printers.

Are the labels waterproof?
The material is water-resistant and resists dirt and grease, but extreme exposure to liquids or abrasion can still affect print longevity.

How many labels come in the pack?
The pack includes 4 rolls of 450 labels each, for a total of 1800 labels.