| Box Style | Self-Locking Mailer Box (Roll End Tuck Front - RETF) |
|---|---|
| Material Options | Kraft Corrugated, White Corrugated, E-Flute, B-Flute, Rigid Stock (Premium) |
| Flute Types | E-Flute (1.5mm), B-Flute (3mm), Custom Flute on Request |
| Stock Thickness | 16pt – 28pt (depending on material selection) |
| Printing Options | Offset Printing, Digital Printing, Flexographic Printing |
| Color Options | CMYK (4 Color Process), Pantone (PMS), Inside & Outside Printing Available |
| Finishing Options | Matte Lamination, Gloss Lamination, Soft-Touch Lamination, AQ Coating |
| Add-Ons | Spot UV, Foil Stamping (Gold/Silver), Embossing, Debossing, Custom Inserts |
| Sizes | Custom Sizes Available (Length × Width × Depth) |
| Minimum Order Quantity | Low MOQ Available |
| Turnaround Time | 3–4 Business Days (Rush Available) |
| Shipping | Flat Packed, Free Shipping Available |
| Eco-Friendly | Recyclable & Biodegradable Options Available |
Custom Sleeved Mailer Boxes from Custom Boxes Store are a two-piece packaging format combining a printed outer sleeve with a sturdy inner box. The result is a premium unboxing experience that works for ecommerce brands, subscription services, PR kits, and retail packaging. Available in custom sizes, full-color printing, and finishing options including matte lamination, gloss, and spot UV. Starting from $0.35 per unit. Low MOQ. Free shipping across the USA.
A sleeved mailer box is a two-piece packaging structure — a printed outer sleeve that wraps around a plain or printed inner tray box. When a customer slides the sleeve off, the product is revealed in a clean, structured inner box. That moment of sliding the sleeve is what makes this format work. It slows the unboxing down just enough that the customer actually engages with the packaging rather than tearing through it.
Custom Boxes Store produces sleeved mailer boxes for ecommerce brands, subscription box businesses, PR and influencer kit packaging, retail launch boxes, and corporate gifting programs across the USA. We print full color on the outer sleeve, and can print the interior of the inner box as well. Your brand gets seen from multiple angles.
Most custom mailer boxes are single-piece — one box, one opening, one moment. A sleeved mailer box creates two moments. The first is when the customer picks up the package and sees the branded sleeve. The second is when they slide the sleeve off and see what is inside.
This two-step unboxing is why sleeved mailer boxes are the packaging format most commonly used by:
Subscription box brands — products that ship on a schedule need packaging that customers look forward to opening each time. The sleeve adds that friction that makes it feel like a proper reveal.
PR and influencer kits — when a brand sends product to a creator, the packaging is part of the pitch. A sleeved mailer says the brand took the time to package properly. That matters.
Retail launch boxes — new product releases, limited edition drops, and seasonal collections benefit from packaging that communicates the product is worth the price.
Corporate gifting — branded corporate gifts in sleeved mailer boxes look intentional. They get kept. That is the goal.
The inner box is typically made from corrugated cardboard or rigid paperboard, depending on how much product protection is needed. Corrugated works for heavier items or products that need cushioning. Rigid paperboard works for lighter items where the box is primarily for presentation.
The outer sleeve is most commonly made from paperboard or coated cardstock. The sleeve surface is what gets printed, so material selection matters for print quality. A coated surface takes CMYK and Pantone colors accurately. An uncoated or kraft sleeve gives a more raw, organic feel.
Every sleeved mailer box from Custom Boxes Store is printed using offset or digital print, depending on order quantity. Full-color CMYK printing is standard. Pantone color matching is available for brand-critical colors.
Finishing options available on the sleeve exterior:
The interior of the inner box can also be printed. Many brands print a thank-you message, brand story, or promotional offer on the inside face of the box.
Standard sleeved mailer box sizes fit most products, but every product is different. Custom Boxes Store manufactures sleeved mailer boxes to your exact product dimensions. Tell us the dimensions of what you are packaging — we will engineer the sleeve and box combination to fit correctly without excessive movement or void fill.
Common product categories that use custom sleeved mailer boxes:
What is a sleeved mailer box?
A sleeved mailer box is a two-piece packaging format made up of a printed outer sleeve and a plain or printed inner box. The sleeve slides over the inner box. When the customer pulls the sleeve off, the inner box is revealed. Subscription brands, PR kit senders, retail launches, and corporate gift programs use this format.
What is the minimum order quantity for sleeved mailer boxes?
Custom Boxes Store offers low-MOQ options for custom-sleeved mailer boxes. Contact our team for exact minimum quantities based on your box size and printing requirements.
Can I print the inside of the box as well as the sleeve?
Yes. The interior of the inner box can be printed in full color. This is commonly used for thank-you messages, brand stories, discount codes, or social media handles. The sleeve exterior is always fully printable.
What sizes do sleeved mailer boxes come in?
We manufacture sleeved mailer boxes in any custom dimension. There is no standard size restriction. Provide us with your product measurements, and we will engineer the right fit.
How long does production take?
Standard production is 3–4 business days from artwork approval. Rush production may be available depending on order size — contact our team for availability.
What materials are sleeved mailer boxes made from?
The inner box is typically corrugated cardboard or rigid paperboard. The outer sleeve is typically coated paperboard or kraft card stock. Material selection depends on product weight, required protection level, and desired print quality.
What finishing options are available?
Available finishes include matte lamination, gloss lamination, soft-touch lamination, spot UV, foil stamping, embossing, and debossing. These are applied to the sleeve exterior.
Is shipping included?
Yes. Custom Boxes Store provides free shipping across the USA on every order.
Can I get a sample before ordering in bulk?
Contact our team to discuss sample availability for your specific box dimensions and configuration.
Are sleeved mailer boxes recyclable?
Yes. Paperboard and corrugated cardboard are both recyclable materials. We can advise on material selections that meet your recyclability requirements.
