Sleeve Mailer Boxes
Great
366 reviews on
Trustpilot
Shipping-durable mailer trays with a branded outer sleeve for e-commerce, manufactured by Crat Packaging.
$0.89
UNLIMITED CUSTOMIZATION OPTIONS
A printing technique employing a plate to transfer designs onto paper. Ideal for extensive print jobs.
Plate-free digital printing transfers designs electronically, cost-effective for short runs.
Screen printing is a method using a mesh screen and stencil to transfer ink onto a substrate.
Quick-drying printing technique utilizing ultraviolet lights for ink curing, yielding a glossy finish.
Consisting of water-based pigments, Ensures top-notch color output with a 100% eco-friendly profile.
Fluorescent inks are vibrant, UV-reactive pigments that emit vivid colors under ultraviolet light.
Generate pure colors using specific ink formulas to consistently & precisely reproduce color in printing.
Produce metallic colors through precise ink formulations to replicate color in printing.
Premium bleached white paperboard, specially coated on one side to enhance printing & finishing.
Bleached white paperboard, coated on both sides to achieve superior printing quality and finishes.
Top-notch textured paper, perfect for adding a touch of style when wrapping up durable boxes.
A unique paper material showcasing a shiny or matte metallic laminated surface.
Bleached kraft paper crafted from a blend of new and recycled pulp, coated on both sides for optimal printing.
Kraft paper produced from a combination of new and recycled paper pulp, with coating on both sides for printing purposes.
Kraft paper dyed black, manufactured from a blend of new and recycled pulp, and coated on both sides for printing applications.
Crafted from recycled grey chipboard cardboard, also known as uncoated recycled paperboard, ideal for luxury rigid boxes.
Unique paper material showcasing a holographic laminated surface in either glossy or matte finish.
Grey chipboard, one-sided white cardboard with a smooth, printable surface, ideal for luxury rigid boxes.
Gloss lamination enhances visual appeal by applying a shiny finish, and protecting printed materials.
Matte lamination offers a non-reflective finish, providing elegant appearance to printed materials.
Made with a smooth lamination that feels like touching a peach, can choose between a satin or matte.
A UV coating is applied to a specific area and then cured using ultraviolet light to make it sturdy.
A transparent coating is applied using the CMYK printing technique, and it comes in gloss, satin, or matte.
A fast-drying coating that undergoes curing through ultraviolet light is offered in both gloss and matte.
In a printing method, dies are pressed onto the back of the material to create a raised motif.
A printing technique that involves pressing dies onto the front of the material to create a raised motif.
In foil relief printing, foil is transferred at high temperatures, often employing multiple colors.
Craft a die-cut shape with a plastic film layer, revealing a window to showcase the product inside.
We recommend the ideal material and add-ons like lamination, foiling, embossing UV, etc.
Get Free Design Support with your box 3d Renders or Send Your Design File for Printing.
Upon design approval, we’ll print and conduct quality checks before shipping the boxes to you.
Technical Specifications
| Dimensions | Available in Custom Sizes |
| Printing | CMYK, Pantone Color, Full Color & No Printing |
| Paper Stock | Eco-Friendly Kraft, Corrugated Cardboard & Premium Rigid Stock |
| Coating | Semi-Gloss AQ, Gloss UV, Matte UV & Spot UV |
| Default Process | Die Cutting, Gluing, Scoring, Perforating |
| Custom Options | Window Cut Out, Gold/Silver Foiling, Embossing, Raised Ink |
| Proof | Digital Proof, 3D Mock-Up |
| Shipping | Shipped FLAT (Free Shipping Across USA & Canada) |
| Help | For further inquiries and Quotes, contact us or email at sales@cratpackaging.com |
Sleeve Mailer Boxes from Crat Packaging pair an outer slide-on sleeve with an inner mailer tray, built specifically for e-commerce shipping rather than retail shelf display. The sleeve format adds a branded unboxing layer to a functional shipping mailer, giving online orders a premium arrival experience.
Sleeve Mailer Boxes Specifications
| Box Style | Outer slide sleeve over an inner corrugated or paperboard mailer tray |
|---|---|
| Material | E-flute corrugated tray with coated paperboard outer sleeve |
| Assembly | Flat-shipped, pop-up tray with fitted sleeve for shipping |
| Best For | E-commerce and direct-to-consumer shipping orders |
| Print Options | Offset or digital printing on the sleeve, foil stamping |
| Order Volume (MOQ) | Starting at 100 units |
| Shipping | Nationwide US delivery |
A Mailer Built for the Sleeve Reveal
This is a shipping-first product: the inner tray is built from sturdier corrugated or heavy paperboard for transit durability, while the outer sleeve carries the branded printing customers see first, distinguishing it from a general retail Sleeve Boxes product not built for shipping stresses.
Common Use Cases
- DTC e-commerce orders wanting a branded unboxing moment.
- Subscription box shipments needing a reveal-style opening.
- Small parcel shipping for apparel, accessories, or gifts.
- Retail-to-doorstep hybrid brands using one box for both.
Shipping Durability
The inner tray is built to survive parcel handling, with corrugated or heavy board options that protect contents from compression and impact during transit.
Branding on the Outer Sleeve
Because the sleeve is the first thing a customer sees, it is typically where the heaviest print investment goes, with foil stamping and full-color graphics common on this surface.
Eco-Friendly Sleeve Mailer Boxes
A 2025 McKinsey & Company survey found over 60% of U.S. consumers pick green packaging when they have the choice. Crat Packaging offers recyclable and FSC-certified board options for this product line.
Who Buys This Wholesale
- DTC e-commerce brands wanting a premium unboxing at the doorstep.
- Subscription box companies shipping monthly sleeve-style mailers.
- Apparel and accessory sellers shipping direct to customers.
- Hybrid retail and online brands using one box for both channels.
Why Order From Crat Packaging
- Wholesale pricing on bulk mailer sleeve orders.
- Free design support for shipping-durable structure.
- Low MOQ starting at 100 units.
- Fast US delivery from domestic production.
- Shipping-tested tray construction for parcel handling durability.
- Branded sleeve printing for a doorstep unboxing moment.
How to Order
- Send us your dimensions, material, and print requirements.
- Receive a free digital proof for review.
- Request an optional physical sample before committing to a run.
- Approve the proof and we produce and ship your order.
Frequently Asked Questions
How is this different from general Sleeve Boxes?
This mailer is built with a shipping-durable inner tray for e-commerce parcel handling, while general Sleeve Boxes are sized more for retail display.
Is the inner tray strong enough for shipping?
Yes, corrugated or heavy paperboard tray options are built to withstand parcel transit.
Where does the branding go?
Primarily on the outer sleeve, which is the first surface customers see when the package arrives.
Can this replace a standard shipping box?
Yes, for products suited to a slim mailer format, this can serve as the primary shipping container.
What is the minimum order quantity?
Orders start at 100 units.
Are eco-friendly mailer options available?
Yes, recyclable corrugated and FSC-certified board options are available.
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