The simplicity of these tab-lock boxes saves the spotlight for your custom design.

Perfect for a variety of products, from sales kits to subscription programs, these self-locking mailers open and close easily without damaging the box, and are available in any size you need.

  • Ideal for subscription boxes or sales kits
  • Customized to fit your product
  • Two-sided printing available
  • Use over and over again, with no damage to the box
  • Available in 14 standard sizes & custom sizes
Design Your Box

Specs & Options

Materials White, Premium White or Kraft

Printing Options Luxe or Standard

Printing Sides Inside Only, Outside Only or Two-sided

Board Type E-Flute or B-Flute

Standard Sizes in E-Flute

  • 6 x 6 x 2 in
  • 7 x 5 x 1 ½ in
  • 9 x 6 x 3 in
  • 9 x 7 x 4 in
  • 10 x 8 x 2 in
  • 10 x 8 x 4 in
  • 11 x 8 x 2 in
  • 12 x 9 x 3 in
  • 12 x 9 x 4 in
  • 12 x 12 x 2 in

Popular Questions

Our printers are industry best, guaranteeing vibrant colors, clean lines and the WOW factor you’re looking for.

Flutes give strength and structure to boxes, serving as a protector, insulator and cushioning device. Our system is set up to automatically select the flute options that will function best for your box size and style.

With a thickness of 1/16”, E-flute is ideal for high-quality printing. It’s generally used for mailers and some specialty displays, like the beer and wine cases.

B-flute is a good alternative to E-flute when heavier items may need additional support. With a thickness of 1/8″ and shorter flutes, this type of box still provides a rigid, flat surface for printing.

Absolutely! We have two options for samples. You can order our standard Sample Kit, which gives you a glimpse of our different materials, print quality and finishes – a great option for someone who needs help deciding what’s best for a packaging project. The other option is to order your own custom sample, complete with your design and messaging in any size or style. Select our Custom Sample option for just $29. Simply enter a quantity of one (1) when checking out.

Standard White is the typical corrugated material used for packaging. If you look closely, it has slight variations in the white color. Premium White is our high performer. It will add a look of luxury to your print. It’s available in both matte and gloss finishes. (Gloss finish is a process where ink is cured to appear glossier than a traditional matte finish, and it’s only available on Premium White.) Kraft is the standard brown material you see on corrugated boxes. But once you add your branding (Logo! Colors! Messaging!), it’s not so standard anymore. When choosing Kraft, be sure to think about the colors you’ll use. Colors will appear darker on Kraft than they would on Standard or Premium White.

We Can Go Custom

Standard sizes won’t work? No problem. We offer custom sizes to fit your product. Contact us for details. Check out our Design Services for a design tailored just for your brand.

Contact UsDesign Services

Ear Lock Mailer Inspiration

Sock Society

University of Iowa

Beth Ladd

Tips & Trends

subscription gift ideas for kids and teens
Tips & Trends

Can You Use Pantone’s 2020 Color of the Year in Your Packaging?

Classic Blue, the 2020 Pantone Color of the Year is a rich, saturated blue. Let’s look at 6 companies who have used it and what color combinations they use that are rock solid.

Read Our BlogCase Studies

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