Custom Mailer Edible Boxes

A Tasty First Impression

Ideal for bakeries, candy makers, gourmet brands, and subscription treat boxes—our mailers turn every delivery into a memorable experience.

Materials That Keep It Fresh and Safe

We use food-safe, strong materials that hold their shape and preserve your product’s quality.

• Corrugated cardboard – Strong, protective, and shipping-friendly
• Kraft paperboard – Eco-friendly and ideal for rustic, organic treats
• Food-grade coatings – Keeps oil, grease, and moisture from affecting the box
• Optional insulation or double walls for temperature-sensitive items

Perfect Fit for Every Type of Edible

From cake slices to chocolate boxes, we make mailers that match your product’s shape and portion.

• Partitioned inserts for cupcakes, cookies, or truffles
• Custom cavities for jars, packets, or edible gifts
• Add-ons like tissue, liners, or stickers for presentation
• Self-locking lids and easy-open tabs for convenience

Your Branding, Baked In

Make your box feel like an extension of your brand—sweet, bold, elegant, or fun.

• Full-color prints, kraft-style prints, or natural tones
• Custom logo placement inside and outside the box
• QR codes linking to ingredient info or discount codes
• Die-cut windows for a peek inside without opening

Extras That Elevate the Experience

Add more than just protection—add personality.

• Message flaps and printed thank-you notes
• Ribbons, belly bands, or branded seals
• Compartments for gift cards, utensils, or recipes
• Tamper-evident stickers for added trust

The 3Ps Approach

Presentation

Our edible mailer boxes are designed to surprise and delight your customers from the moment they lift the lid.

Preservation

With food-safe coatings and smart inserts, your treats stay neat, fresh, and protected in transit.

Protection

From fragile cookies to soft truffles, our packaging cushions and secures your edibles every step of the way.

Why Do 5000+ Companies Trust Us?

We are the top manufacturers of mailer edible boxes, trusted by bakeries, gourmet brands, and small businesses shipping treats nationwide.

• No minimums and flexible order volumes
• Free design support and food-safe packaging guidance
• Fast production and shipping across the U.S.
• Recyclable and eco-friendly options available
• A team that truly understands packaging for perishables

Get a Free Quote Today

Delight your customers with packaging as sweet as what’s inside. To get cost-effective packaging boxes without compromising on quality, you can contact us at (469) 649-8706 or email us sales@customboxeslab.com

When measuring a custom box, there are a few technical specifications that must be considered to ensure proper design, manufacturing, and fit for the product. Here are the major technical things to measure a custom box:

Inside Dimensions (Critical for Product Fit)

• Length (L): The longest side of the box measured inside from one corner to the opposite corner.
• Width (W): The shorter side of the box measured inside perpendicular to the length.
• Depth/Height (D or H): Measured inside from the bottom to the top opening of the box. Always specify that dimensions are given in Length × Width × Height.

Outside Dimensions (Important for Shipping & Storage)

• Measure the outer surfaces of the box including material thickness.
• Outside measurements are used for pallet stacking, warehouse spacing, and shipping compliance.

Material Thickness (Board Caliper)

• The thickness of the packaging material (e.g., corrugated board, rigid stock, cardstock).
• Impacts both the internal usable space and external dimensions.

Flap Measurements

• For boxes with flaps (e.g., mailer or shipping boxes), measure:
• Inner flaps: Ensure they meet in the middle without overlapping too much.
• Outer flaps: Allow proper sealing without gaps.

Tolerances

• Account for manufacturing tolerances (usually ±1/16" or ±2mm depending on material).
• Ensure the product fits without being too tight or loose.

Volume Capacity

• Calculate internal cubic capacity (L × W × H).
• Helps in determining how much space the product will occupy and shipping efficiency.

Product Orientation

• Decide how the product sits inside the box and measure accordingly.
• Orientation affects whether length or width is the primary dimension.

Die-Cut Openings or Windows

• Measure exact placement, height, and width for any cutouts.
• Ensure structural integrity when adding windows.

Printing Bleed & Safe Zones

• Include measurements for:
• Bleed area: Extra space beyond the cut line for printing.
• Safe zone: Inner area where critical text or logos should be placed.

Closure Type & Locking Tabs

• Measure slots, tabs, or locks for boxes with custom closures.
• Precision is required to avoid misalignment during assembly.

Packaging Style

• Folds, creases, and scores must be measured for accurate dieline creation.
• Different styles (e.g., RSC, tuck-end, mailer, sleeve) require specific panel measurements.