Avery Shipping Address Labels 3-1/3 x 4 in - TrueBlock, 150 Pack

In this review the Avery Shipping Address Labels are examined for small businesses, home shippers and crafters who need reliable, printable mailing labels. The biggest reason to buy is the combination of Sure Feed reliability and TrueBlock coverage that makes printing and reusing boxes much easier, so users who print batches of addresses or custom package labels get smudge-free output and labels that stick to most smooth surfaces. This review focuses on real-world printing performance, adhesive strength and usefulness of the TrueBlock feature.

Key Features

• Permanent adhesive: Sticks and stays put on cardboard, envelopes, paper, glass or metal so packages remain labeled through handling and transit.
• Laser printer optimized: White labels are designed to feed cleanly through laser printers for smudge-free, professional-looking addresses.
• TrueBlock technology: Covers up previous labels, barcodes or markings so you can reuse boxes without visible remnants underneath the new label.
• Sure Feed compatibility: Proprietary feed technology gives a more reliable pass through printers, reducing misfeeds and jams in batch jobs.
• Customizable templates: Works with thousands of free Avery templates and designs so labels can be personalized for branding, crafts or gift tags.
• Versatile pack size: 150 labels at 3-1/3 x 4 in works well for regular shipping needs and occasional high-volume runs without frequent repurchasing.

Who It's For

The Avery shipping labels are best for small businesses, online sellers and home users who print address labels in batches and want dependable feeding and permanent adhesion. The labels suit laser and inkjet workflows where a clean, white label and TrueBlock coverage help maintain a professional look and allow reuse of packaging.

Those who need ultra-strong weatherproof or heavy-duty outdoor labels, or who require very large or very small specialty sizes, should look elsewhere; this pack is tailored to standard shipping needs and indoor parcel handling rather than extreme-exposure or industrial labeling.

Pros & Cons

Pros

• Reliable permanent adhesive that holds on cardboard and smooth surfaces during transit.
• Optimized for laser printers to deliver smudge-free, crisp printing for addresses and barcodes.
• TrueBlock technology effectively hides previous markings, making reused boxes look clean.
• Large template library simplifies customization for branding and crafts.

Cons

• Not designed for extreme outdoor exposure or long-term outdoor weathering; suitable for standard shipping conditions.
• Only one label size per pack, so buyers needing multiple sizes must purchase additional packs.

Specifications

Label size	3-1/3 in x 4 in
Quantity	150 labels per pack
Adhesive	Permanent adhesive for cardboard, envelopes, paper, glass or metal
Printer compatibility	Optimized for laser printers (also compatible with inkjet versions)
Technology	TrueBlock coverage to hide previous markings
Feed feature	Sure Feed labels for reliable printer feeding

Our Verdict

The Avery Shipping Address Labels are a smart, cost-effective choice for sellers and home shippers who need dependable feeding, clean laser printing and a permanent adhesive that holds through mail handling; the TrueBlock feature adds practical value by allowing box reuse and maintaining a neat appearance. For typical shipping and crafting needs they deliver good value and consistent results.

Frequently Asked Questions

Are these labels compatible with laser printers?
Yes. These labels are optimized for laser printers and designed to feed reliably for smudge-free printing.

Will the adhesive hold on cardboard and envelopes?
Yes. The permanent adhesive is formulated to stick and stay put on cardboard, envelopes, paper, glass and metal.

Does TrueBlock really cover previous labels?
TrueBlock technology is intended to block out underlying text and barcodes so reused boxes appear clean under the new label.