Mailer Box (no Flaps)
from $0.62 / unitStarting price per unit, shipping included. Your price depends on quantity, size, material and finishes, and drops as quantity grows. The final price comes with your quote, and it includes shipping.
These innovative mailer boxes offer a winning combination of simplicity and cost-effectiveness for businesses. Their clever tuck-top lid eliminates the need for dust flaps and additional closures, resulting in a sleek and streamlined design.
- Custom sizes
- Free design support
- Low minimums
Request a Quote
Tell us what you need. No payment, no obligation.

Quick specs
- Sizes
- Custom, made to your product's dimensions
- Minimum order
- 100 units
- Material
- Corrugated board with a printed top sheet
- Corrugation
- E-flute (1.2–2 mm) or B-flute (2.5–3 mm)
- Printing
- CMYK or Pantone; outside, inside or both, with no extra charge for adding colors
- Coating
- Varnish (water-based) or lamination
- Finishes
- Matte, glossy, satin or soft touch; foil stamping, embossing or debossing and spot UV available
- Closure
- Simple closure without dust flaps or ear locks
- Shipping
- Ships flat
- Assembly level
- Some assembly required
- Suitable as shipping box
- Yes, can be used as shipping box
- Printing technology
- Offset (litho) printing; digital printing is available on request for small runs
- Support for inserts & dividers
- Custom Box Inserts, Custom Box Dividers, Custom Box Partitions
- Available samples
- Structural Sample, Simplified Sample, Pre-Production Sample, Digital Print Proof, Press Proof
- Delivery
- 5–7 working days, plus 4–5 working days for delivery; larger or more complex orders can take longer
- Design support
- Free design support, proofing and 3D preview
- Free dieline templates
- Roll End Mailer
Details
By choosing flap-free mailer boxes, you can optimize your shipping process while maintaining a focus on cost control.
Explore our full range of mailer boxes to find the right fit.
Measurements
To ensure a perfect fit, understanding mailer box measurements is key. Here's a breakdown of what each dimension refers to when you view the box head-on:
- Length: Measured from one side of the box to the other.
- Width: Measured from the front of the box to the back.
- Height: Measured from the top of the box to the bottom.
Pair with:
Custom Stickers
Card & Flyers
Packaging Inserts

Also known as Roll End Tuck Top (RETT), this box features a lid that securely tucks inside the body for closure, without dust flaps or ear locks.
How Mailer Box (No Flaps) Compares with Other Mailer Box Styles
Not sure this is the right style? Here is what sets the other styles apart.
- Standard Mailer Box
Secure and user-friendly mailer boxes (aka ear lock or cherry lock boxes) with swift assembly and ear locks that hold the lid closed keep products safe, making them e-commerce & gifting favorites.
- Mailer Box (no Dust Flaps)
These space-saving mailer boxes maximize interior volume by eliminating dust flaps while still featuring secure ear locks for easy closure.
- Mailer Box (with Lid)
These mailer boxes feature self-locking lids for secure closure, eliminating the need for dust flaps or ear locks.
- Mailer Box with Adhesive
Seals with a built-in adhesive strip and opens with a tear strip. Features dust flaps for protection, but has no ear locks.
- Mailer Box (3 Flap Lock)
Simplified mailer boxes designed for easy, secure closures without ear locks. Features 3 flaps for a secure, no-fuss closure.
How Ordering Works
- 1
Share Your Requirements
Send us your required or product dimensions, preferred style, required quantity, delivery location, and artwork.
- 2
Review Your Quote
We will prepare pricing based on the selected size, material, printing, finishing, and quantity.
- 3
Approve Dieline & Artwork
Review the layout and artwork before production begins.
- 4
Production and Delivery
After approval, your order moves into production and is shipped to your specified location.
We reply to quote requests within 1 business day.
Frequently Asked Questions
What is a mailer box with no flaps?
A mailer box with no flaps is also known as a Roll End Tuck Top (RETT) box. The lid tucks securely inside the body for closure, without dust flaps or ear locks.
Why choose a mailer box with no flaps?
A mailer box with no flaps combines simplicity with cost-effectiveness. The tuck-top lid removes the need for dust flaps and extra closures, which gives a sleek, streamlined design and a simpler shipping process.
What is the difference between a no flaps and a no dust flaps mailer box?
The no dust flaps mailer box still has front flaps and ear locks. The no flaps mailer box has neither dust flaps nor ear locks.
Can mailer boxes with no flaps be used as shipping boxes?
Yes. Mailer boxes with no flaps can be used as shipping boxes. They ship flat and need some assembly when they arrive.
Can I add an insert or divider to mailer boxes with no flaps?
Yes. Custom box inserts, dividers and partitions can be added to hold products in place. Include the product size and how it should sit in your quote request.
What is the minimum order quantity for mailer boxes with no flaps?
The minimum order quantity for mailer boxes with no flaps at PacksDo is 100 units. The price per unit falls as the quantity grows.
How much do mailer boxes with no flaps cost?
Pricing starts from $0.62 per unit, and prices and quotes include shipping. Your price depends on quantity, size, material, printing and finishes, and falls as quantity grows. Request a quote for your project.
How long does it take to get mailer boxes with no flaps?
Production at PacksDo usually takes 5–7 working days. It starts once your artwork is approved and payment is received. Larger or more complex orders can take longer, and we confirm the date in your quote. Delivery usually takes another 4–5 working days, depending on the carrier and your location, so a typical order arrives in about 2 weeks and larger orders take longer. See the turnaround guide.
Ready to start your packaging project?
We reply within 1 business day, and quotes include shipping.
+1 (312) 910-5253Monday–Friday, 9:00 AM to 6:30 PM CT




