Packing Slip vs Shipping Label: Key Differences Explained

A packing slip lists the items inside a package. A shipping label shows where the package should be delivered.

In short:

• Packing slip = what’s inside the box
• Shipping label = where the box goes

Both documents appear in every shipment, but they serve completely different purposes. In this guide, you’ll learn what each document contains, where it goes, when you need it, and how to create both in WooCommerce.

Quick Comparison: Packing Slip vs Shipping Label

Before jumping into the full breakdown, here’s a side-by-side comparison:

Feature	Packing Slip	Shipping Label
Purpose	Shows items inside the package	Shows delivery details
Used by	Customer & warehouse team	Courier & logistics
Placement	Inside the box	Outside the box
Includes tracking	No	Yes
Required for shipping	No	Yes
Includes pricing	Optionally	No

What Is a Packing Slip?

A packing slip, also called a packing list, shipping slip, or package slip is a document placed inside a shipping package that lists the products included in the order. It helps both the warehouse team and the customer verify that the correct items have been packed and delivered.

For WooCommerce store owners, the packing slip plays a key role in order fulfillment. Your shipping team uses it to pick, pack, and confirm the right items before sealing the box. Once packed, the slip goes inside the box with the products.

When customers receive their order, they use the packing slip to check the order number, order date, and the list of items confirming that everything arrived correctly.

Does the packing slip go inside the box?

Yes. The standard practice is to place the packing slip inside the shipping box. Some businesses attach it to the outside in a clear polybag or include it with the shipping label, but placing it inside the box keeps it secure and accessible to the recipient.

What Does a Packing Slip Include?

A complete packing slip typically contains the following:

• Shipping address: The customer’s name, street address, phone, and email. Useful if the shipping label is damaged.
• Billing address: Included if it differs from the shipping address, especially useful for gift orders.
• List of shipped products: The core of the packing slip. Lists all items with product names, SKUs, and quantities.
• SKU (Stock Keeping Unit): Helps with inventory tracking and support queries.
• Quantity: Clarifies how many units of each product are included.
• Out-of-stock items: If any ordered items couldn’t be shipped, they may be noted here.
• Items shipping separately: For multi-warehouse or split orders, indicates which products arrive in a different shipment.
• Order number, invoice number, and date: Identifiers for tracking and managing the order.
• Item specifications: Dimensions, weight, or total quantity when relevant.
• Company details: Your store name, address, phone, and email. Adding your logo supports brand recognition.
• Customer note: Any delivery instructions the customer added at checkout.

Note: A packing slip does not typically include item prices. If you need a document that shows pricing, that is an invoice not a packing slip.

What Is a Shipping Label?

A shipping label is the sticker or document attached to the outside of a package containing all delivery details the carrier needs to route and deliver the shipment. Without it, the package cannot move through the logistics system.

A shipping label is always required for shipping. If a label is damaged or contains incorrect information, it can cause delays, misdelivery, or a lost package, leading to refunds, reshipments, and poor customer experience.

What Does a Shipping Label Include?

A standard shipping label contains:

• Recipient’s name and address: The complete delivery address. This is the most critical field; errors here cause delivery failures.
• Shipper name and address: Your business name and warehouse or return address. Used if the carrier needs to return the package.
• Tracking number and barcode/QR code: Unique identifiers that allow real-time tracking throughout transit.
• Package weight: Determines shipping cost and handling category.
• Shipping priority: Indicates delivery speed: standard, express, or urgent.
• Delivery instructions: Any special instructions the customer added, such as “leave at the front door.”

Unlike a packing slip, a shipping label does not list the products inside the package. Its only job is delivery.

Packing Slip vs Shipping Label – Key Differences

Packing slip vs shipping label is one of the most common fulfillment questions for new store owners. Here is a clear breakdown of how they differ.

Purpose

The packing slip confirms what is inside the package. The shipping label ensures the package reaches the right destination. They are not interchangeable – both serve different functions in the same shipment.

Who uses them?

• A packing slip is used by the warehouse team (to verify packing accuracy) and the customer (to verify their order on arrival).
• A shipping label is used by the courier and logistics system to route and deliver the package.

Where do they go?

• The shipping label always goes outside the box – typically on the top surface, flat and fully visible.
• The packing slip goes inside the box. If an order ships in multiple boxes, each box gets its own shipping label, but there is usually one packing slip per order.

Tracking and barcodes

Shipping labels always include a barcode and tracking number for real-time scanning throughout transit. Packing slips do not include tracking codes — they are only for order verification.

Pricing

Packing slips may optionally include item pricing or may leave it out, depending on store policy (for example, gift orders often exclude pricing). Shipping labels never include pricing.

Can a packing slip and shipping label be combined?

Yes. Some fulfillment tools allow both to be printed on a single document. However, combining them carries a risk: if the combined document is damaged, both delivery and order verification are affected. Most stores keep them separate.

Benefits of a Packing Slip

Many store owners skip packing slips, especially early on. But even a basic packing slip provides real operational value.

• Shipment accuracy: The warehouse team can cross-check items against the slip before sealing the box, reducing wrong-item errors and the costs that come with them.
• Simplified returns: A packing slip makes it easier for both the store and the customer to identify what was received, what’s missing, and what needs to be returned. For fashion and apparel stores with high return volumes, this matters significantly.
• Shipping label backup: If the external shipping label is damaged in transit, couriers can open the package and use the packing slip’s address details to complete delivery. Customers can also use it to send returns.
• Complex order management: For split shipments from multiple warehouses, packing slips clarify which items are in each box and which are still coming, reducing customer confusion.
• Customer satisfaction: A clean packing slip helps customers quickly verify their order. If something is missing or wrong, they can identify it immediately and contact you with specific information, speeding up resolution.
• Brand building: A well-designed packing slip with your logo, brand colors, and a short personalized message creates a more professional unboxing experience and reinforces brand trust.

Packing Slip vs Invoice – What’s the Difference?

This is a common point of confusion. Here’s the short answer:

• A packing slip lists what’s in the box. It may or may not include prices.
• An invoice is a payment request. It always includes prices, taxes, payment terms, and billing details.

A packing slip is a fulfillment document. An invoice is a financial document. Some businesses include both in the same shipment; others keep them separate.

Packing Slip vs Packing List – Is There a Difference?

The terms are often used interchangeably, but in strict logistics terminology:

• A packing slip accompanies a single order shipment to a customer.
• A packing list is more commonly used in commercial shipping, exports, or freight — it details the entire contents of a larger shipment, often across multiple boxes or pallets.

For standard WooCommerce or eCommerce fulfillment, “packing slip” and “packing list” generally mean the same thing.

Are Packing Slips Required?

Packing slips are not legally required in most countries for standard domestic eCommerce shipments. However, they are strongly recommended for:

• Order accuracy and warehouse efficiency
• Customer satisfaction and easy returns
• Backup identification if shipping labels are damaged

For international or commercial shipments, a packing list may be required by customs authorities. Check the regulations for your specific destination country.

Best WooCommerce Plugin for Packing Slips and Invoices

If you run a WooCommerce store and need to generate professional packing slips automatically, Challan is built for exactly that.

Challan is a WooCommerce PDF invoice and packing slip plugin that generates order documents automatically whenever an order is placed. You can customize the layout, add your logo, include or exclude pricing, add customer notes, and set up automatic email delivery all without manual effort.

Key Features

• Automatic packing slip and invoice generation for every WooCommerce order
• Fully customizable layout with logo, brand colors, and company details
• Option to include or exclude pricing, taxes, and billing address
• Bulk print packing slips directly from the WooCommerce orders page
• Automatic PDF attachment to order confirmation and shipping emails
• Support for custom order notes and per-order packing instructions

Free version available; paid plans are listed on the official Challan page. Verify current pricing before publishing.

Frequently Asked Questions

Key Takeaways

• A packing slip lists the products inside a package; a shipping label shows the delivery address and tracking information.
• The shipping label goes on the outside of the box; the packing slip goes inside.
• Shipping labels are required for every shipment. Packing slips are recommended but not legally required for most domestic orders.
• A packing slip is not the same as an invoice – a packing slip is a fulfillment document; an invoice is a payment document.
• “Packing slip,” “shipping slip,” and “package slip” are often used interchangeably in e-Commerce.
• For international shipments, a commercial packing list may be required by customs.
• WooCommerce store owners can automate packing slip generation using a plugin like Challan.