
Choosing the right return-label size helps customers send products back without resizing a carrier label, obscuring a barcode or placing the label across a package seam. The best size depends on whether you are providing a complete prepaid carrier return label, a simple address-only label, an RMA identification label or a peel-off return label built into an invoice or packing slip.
This guide focuses on return shipping labels for merchandise and packages. If you need a small sender-address sticker for a letter envelope, see our mailing label size guide.
LaserInkjetLabels.com manufactures blank labels for compatible inkjet and laser printers, including 4" × 6" shipping-label sheets and integrated forms for ecommerce return workflows.
Quick Answer
For a complete prepaid return label generated by a carrier or shipping platform, use 4" × 6". That size provides room for the return address, routing information, tracking number and carrier barcode. Use 4" × 2" or 4" × 3.33" only for address-only, RMA or internal return labels that are not meant to replace a full carrier-generated label. For ecommerce orders, an 8.5" × 11" integrated form can combine a packing document with one or more peel-off labels.
| Return Workflow | Recommended Size or Format | Best For |
|---|---|---|
| Prepaid carrier return label | 4" × 6" | Tracked package returns generated by a carrier or shipping platform |
| Compact address-only return label | 4" × 2" | Untracked address labels, return-department labels and RMA identification |
| Large address or RMA label | 4" × 3.33" | Long addresses, instructions, order details or larger mailers |
| Packing slip with peel-off return label | 8.5" × 11" integrated form | Ecommerce fulfillment and returns processed from one printed document |
At-a-Glance Recommendations
| Standard Prepaid Return Label | 4" × 6" |
|---|---|
| Best Address-Only Size | 4" × 2" |
| Best Size for Extra Instructions | 4" × 3.33" |
| Best Everyday Material | White Uncoated Paper |
| Best Moisture-Resistant Choice | Printer-compatible white poly material |
| Best Desktop Printer Format | Blank Sheet Labels |
| Best Packing Slip + Return Workflow | Integrated Label Forms |
What Is a Return Shipping Label?
A return shipping label sends a package from the customer back to a merchant, warehouse, repair center or other designated destination. It may be prepaid and generated through a carrier, or it may be a simpler address label used with postage purchased separately.
These labels are different from small return-address labels placed in the upper-left corner of envelopes. A package return label may need to hold:
- The customer or origin address.
- The merchant’s return destination.
- Carrier routing information.
- A tracking number and scannable barcode.
- An RMA, order number or return-department reference.
- Service-level or handling information generated by the carrier.
If a carrier or shipping platform creates the label, preserve the size, proportions and layout it specifies. A separate RMA label can supplement the carrier label, but should not cover any routing or barcode area.
Common Return Label Types and Sizes
| Label Type | Common Size | Typical Information | Typical Use |
|---|---|---|---|
| Carrier return shipping label | 4" × 6" | Addresses, routing, tracking and carrier barcode | Tracked parcel return |
| Address-only return label | 4" × 2" | Return department and destination address | Postage purchased separately |
| RMA or return identification label | 4" × 2" | RMA, order number, reason code or warehouse reference | Applied beside the carrier label or to an item bag |
| Large return-address or instruction label | 4" × 3.33" | Long address, RMA and brief customer instructions | Large mailer or carton |
| Integrated return label | Varies within an 8.5" × 11" form | Packing details plus one or more peel-off labels | Outbound ecommerce order |
How to Measure a Package or Mailer for a Return Label
Measure the package or mailer that the customer is expected to reuse. The label must fit on one smooth, flat area without wrapping over an edge, seam, flap or closure.
- Choose the largest flat surface on the box or mailer.
- Measure the usable width without crossing an edge, seam, fold or closure strip.
- Measure the usable height while leaving room around the label.
- Confirm that a 4" × 6" paper sample lies completely flat if you will use a carrier label.
- Check that old shipping labels, tape, straps or packaging graphics will not cover the new barcode.
- Test the return package with the actual printed label before standardizing the workflow.

If the intended package cannot hold the required carrier label flat, choose a larger return mailer or box. Do not shrink the shipping label simply to fit a smaller surface.
Best Size for Prepaid Carrier Return Labels
4" × 6" is the standard choice for a prepaid return shipping label generated by a parcel carrier or ecommerce shipping platform. It provides space for machine-readable routing and tracking information while fitting common boxes, cartons and padded mailers.
Recommended size:
- 4" × 6" – complete prepaid carrier return label
Use the page-size and print-scaling setting supplied by the carrier or shipping software. When printing two 4" × 6" labels on an 8.5" × 11" sheet, select the matching 2-up or half-sheet layout rather than manually reducing the artwork.

Best Sizes for Address-Only and RMA Return Labels
Not every return label is a carrier label. A merchant may need a destination-address label for postage purchased separately, or an RMA label that helps the receiving team connect a returned item to the correct order.
Recommended label sizes:
- 4" × 2" – compact destination address, return department or RMA identification
- 4" × 3.33" – long address, larger type, order details or brief return instructions
These smaller formats should not be used to reproduce a complete 4" × 6" carrier label. If the shipment needs prepaid postage, tracking and carrier routing, print the carrier-generated label at its required size.

Integrated Return Labels for Ecommerce Orders
Integrated label forms combine a full sheet of printable paper with one or more peel-off adhesive labels. They can help a fulfillment team print the packing slip, invoice, outbound shipping label and return information as parts of one document.
Common return-oriented configurations include:
- A packing slip with one peel-off label reserved for a future return.
- A dual-label form with separate outbound and return labels.
- An invoice with a peel-off RMA or return-address label.
- A form that keeps order details and the matching label together during packing.
The peel-off label dimensions vary by form. Confirm that the integrated layout matches the document generated by your order or shipping system before ordering.

What Information Should Go on a Return Label?
The information depends on the label’s purpose. Carrier labels should remain exactly as generated. Address-only and RMA labels can be designed around the merchant’s receiving process.
| Information | Carrier Label | Address-Only Label | RMA Label |
|---|---|---|---|
| Return destination | Required | Required | Recommended |
| Origin/customer address | Usually included | Optional | Optional |
| Tracking and routing barcode | Generated by carrier | Not included | Not a carrier barcode |
| RMA or order number | Optional reference | Optional | Primary identifier |
| Return department | May appear in address | Recommended | Recommended |
Keep text dark, simple and easy to scan. Leave carrier barcodes and the clear space around them unobstructed. Place lengthy policies and step-by-step instructions on a separate insert, packing slip, email or return portal rather than crowding the shipping label.

Best Materials for Return Shipping Labels
Choose a white material with strong print contrast and a permanent adhesive suited to the package surface. Confirm that the material is made for the printer you will use.
| Material | Recommended Use |
|---|---|
| White Uncoated Paper | Routine dry indoor packing and economical return-label printing |
| Premium White Matte Paper | Sharper presentation and branded return materials |
| White Semi-Gloss Paper | Color branding when the print remains highly readable |
| Printer-Compatible White Poly | Returns needing added moisture, tearing and abrasion resistance |
| Removable Paper | Temporary internal RMA or inspection labels, not the main carrier label |
Standard paper labels are not waterproof. A printer-compatible white poly can provide better moisture and abrasion resistance for returns exposed to rain, condensation or repeated handling. Clear labels should not be assumed to be waterproof and may reduce barcode contrast when applied to patterned or dark packaging.

Sheet Labels, Roll Labels or Integrated Labels?
The right format depends on how the return label is created, printed and delivered to the customer. Blank sheets work well in desktop inkjet and laser printers. Blank rolls are designed for compatible roll-fed inkjet or laser label printers. Integrated forms connect the return label to a packing document.
| Sheet Labels | Roll Labels | Integrated Labels |
|---|---|---|
| Best for desktop inkjet and laser printers | For compatible dedicated roll-fed printers | Printable document with built-in peel-off label |
| Convenient for 2-up 4" × 6" labels | Efficient for recurring fulfillment production | Keeps order paperwork and labels together |
| Useful for on-demand and moderate-volume returns | Confirm printer, width, core and roll diameter | Available with single- or dual-label layouts |
| Easy to include a blank or preprinted label in a box | Good for compatible automated workflows | Useful for packing slips, invoices and returns |

Should You Include a Return Label or Send It on Demand?
A return label can be included in the outbound package, emailed after approval or generated through a customer return portal. The best method depends on return policy, carrier billing and customer experience.
| Method | Advantages | Considerations |
|---|---|---|
| Include in every package | Simple for customers and ready when needed | Labels may become outdated or be discarded; confirm when carrier charges apply |
| Email after approval | Generates current return details only when requested | Customer needs printer access unless another option is offered |
| Customer return portal | Can connect return reason, RMA and label generation | Requires the portal and shipping system to remain synchronized |
| Address-only label | Useful when postage is arranged separately | Does not provide prepaid carrier tracking by itself |

How to Apply a Return Shipping Label
- Remove or completely cover the old outbound shipping label and any obsolete barcodes.
- Apply the new return label to the largest flat surface of the package.
- Keep the full label away from seams, closures, corners and box edges.
- Smooth the label from the center outward so every corner adheres.
- Do not place straps, tape or another label over the barcode.
- Confirm the return destination, service and tracking information before tendering the package.
If protective tape or a pouch is permitted by the carrier, keep it smooth and glare-free over the barcode. Follow the current instructions of the carrier or shipping platform that generated the label.
Common Return Label Mistakes
- Confusing a small return-address sticker with a complete return shipping label.
- Shrinking a 4" × 6" carrier label to fit a smaller label.
- Leaving the old outbound label or barcode visible on the package.
- Placing the return label over a seam, flap, corner, closure strip or curved surface.
- Covering the barcode with opaque tape, straps or another label.
- Using a low-contrast or patterned material behind routing information.
- Printing on inkjet material with a laser printer, or on laser-only material with an inkjet printer.
- Using an RMA label as though it includes prepaid postage.
- Hard-coding a return address or service that later changes.
- Ordering integrated forms before confirming the exact software layout.
Buying Tips
Before ordering return labels, confirm:
- Whether the label is a carrier label, address-only label or RMA label.
- The dimensions generated by the carrier or shipping platform.
- The flat usable area on the customer’s expected return package.
- The printer type and the label material it supports.
- Whether the package may encounter moisture or rough handling.
- Whether you need blank sheets, compatible rolls or integrated forms.
- The number of labels per sheet or the roll configuration.
- Whether the adhesive is suitable for corrugated boxes, paper mailers or poly mailers.
- Whether your software requires a specific template, form design or page size.
- How the return label will be delivered to the customer.
Related Label Size Guides and Resources
- 4" × 6" Blank Labels
- 4" × 2" Blank Labels
- 4" × 3.33" Blank Labels
- Integrated Label Forms
- What Size Label for Shipping Boxes?
- What Size Label for Mailing Labels?
- Address Labels
Shop Blank Return Shipping Labels
Print prepaid return labels, address-only labels and RMA identification in-house with blank labels for compatible inkjet and laser printers. Choose the size required by your carrier, software and package.
Frequently Asked Questions About Return Label Sizes
What size is a standard return shipping label?
The standard size for a prepaid carrier return shipping label is 4" × 6". It provides room for the return destination, origin information, routing data, tracking number and carrier barcode.
Is a return label the same as a return-address label?
No. A return shipping label sends a package back to a merchant or return center and may include prepaid postage and tracking. A return-address label is a small sender-address sticker normally used on letter envelopes.
Can I print a return label on a 4" × 6" label?
Yes. A 4" × 6" blank label is the standard choice when a carrier or ecommerce platform generates a 4" × 6" return label. Use the platform’s matching print settings.
Can I shrink a 4" × 6" return label to 4" × 2"?
No. Shrinking a carrier-generated label can make its barcode and routing information difficult to scan. Use the full size required by the carrier or shipping platform.
When should I use a 4" × 2" return label?
Use 4" × 2" for an address-only return label, return-department identification or an RMA label. It is not a substitute for a complete 4" × 6" prepaid carrier label.
When should I use a 4" × 3.33" return label?
Use 4" × 3.33" when an address-only or RMA label needs more room for a long address, larger type, an order number or brief handling instructions.
What is an integrated return label?
An integrated return label is a peel-off adhesive section built into a printable paper form. It can keep a return label, packing slip or invoice connected to the same order document.
Can one integrated form include both outbound and return labels?
Yes. Some dual-label integrated forms have two peel-off areas that can support outbound and return workflows. Confirm that the form layout matches the document produced by your software.
Should I include a return label in every package?
That depends on your return policy and carrier billing. Some merchants include a label in every order, while others email or generate one through a return portal only after a return is approved.
Can I email a return label to a customer?
Yes. A carrier or shipping platform can often generate a return label that the customer prints. Make sure the customer uses the original page size and does not scale the barcode incorrectly.
Where should a return label go on a box?
Place it on the largest flat surface, away from seams, corners, closures and box edges. Remove or cover the old outbound label and keep the new barcode clear of tape and straps.
Can I place a return label over the original shipping label?
Yes, if the new label completely covers the old routing information and barcode and remains flat. Otherwise, remove or fully obscure the old label before applying the return label.
Can I use a return label on a poly mailer?
Yes. Apply it to a clean, flat area away from the flap, closure and folds. Test the adhesive on the specific mailer material before using it for a full return program.
Are return shipping labels waterproof?
Standard paper return labels are not waterproof. For packages likely to encounter moisture or abrasion, choose a durable printer-compatible white poly material. Clear labels should not be assumed to be waterproof.
What color should a return shipping label be?
White or another light solid background with dark printing provides strong contrast for addresses and barcodes. Avoid patterns or dark packaging showing through the barcode area.
Can return labels be printed with an inkjet printer?
Yes. Use blank sheet or roll material specifically compatible with inkjet printing, and choose the page or roll format expected by your software and printer.
Can return labels be printed with a laser printer?
Yes. Use laser-compatible label material designed for the heat and printing process of a laser printer.
Do I need a template for a return label?
Use the exact template or page-size setting that matches the label product and the carrier-generated artwork. Integrated forms also require a document layout aligned to the form’s peel-off label position.
What is the difference between an RMA label and a shipping label?
An RMA label identifies the return for the merchant’s receiving process. A shipping label provides carrier routing, postage and tracking. A package may use both, but an RMA label alone does not provide prepaid shipping.
Can I request label samples before ordering?
Yes. Testing samples helps confirm the size, material, printer compatibility, adhesive and fit on the actual box or mailer used for returns.

