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Good packaging starts with a little possibility.
CUSTOM PRINTED PACKAGING
Made to hold your product. Designed to catch the eye.
BUILT IN THE USA
Section 1
When You Don't Need the Whole Box
A little detail. A big difference.
Custom sleeve boxes (also called box sleeves or packaging sleeves) are open-ended cartons that slide over a product, tray, or inner box and rely on a friction fit to stay in place. Think of them as a tuck end box without the closing tuck panels—simple, clean, and cost-effective.
You see them all the time in the frozen food aisle: a printed sleeve slides over a sealed, unprinted meal tray to create a finished retail package.
The open design lets you show more of the product while adding room for branding, details, and instructions—without enclosing it in a full box.
Section 1-1
A CLOSER LOOK
When a Box Just Doesn’t Fit
When a Box Just Doesn't Fit
Some products simply don't lend themselves to conventional packaging. Rolled textiles, bundled products, and other soft goods can be difficult or unnecessarily expensive to put in a box. Sometimes a printed box sleeve is the most practical way to add branding and product information.
Sleeve packaging is uniquely suited to squeezable soft goods
Gently compress the product to slide it through the sleeve. Once inside, it naturally expands against the sleeve for a snug, secure fit. The result can be surprisingly good packaging.
Efficiency That Pays Off
Sleeves use less material than fully enclosed cartons, making them an economical form of secondary packaging that can reduce both packaging and shipping costs.
Section 2
When Should You Consider Sleeve Boxes?
Custom printed sleeve boxes are a good choice for:
Frozen food trays and bowls
Printed sleeves over sealed trays add branding, photos, and cooking instructions.Printed oversleeves for small corrugated boxes
Turns plain shippers into retail-ready product packaging.Multipack food packaging
Wrap-around sleeves bundle multiple items while adding space for key product information.Soft goods like rolled towels or 3-packs
Keeps textiles bundled while adding branding and product details.Tray-and-sleeve boxes
A tray with a sliding sleeve — classic retail product packaging.Short sleeves for extra visibility
Shows more of the product while keeping packaging costs down.
Printed Sleeves as Secondary Packaging
Sleeve boxes are often used as secondary packaging to add branding and required information while keeping the product visible. They’re especially useful when you want a finished retail look without the cost of a fully enclosed folding carton.
The advantages of sleeve box packaging:
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Frozen food trays Add branding and cooking instructions to sealed trays.
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Plain corrugated boxes Turn plain boxes into retail-ready packaging.
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Food multipacks Bundle items with room for product information.
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Towels and textiles Keep soft goods bundled and branded.
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Tray-and-sleeve boxes Pair a tray with a sliding printed sleeve.
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More product visibility Use a shorter sleeve to show more of your product.
FIND YOUR FIT
See where this style can take you
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Section 2-1
IS THIS RIGHT FOR YOUR PRODUCT?
Printed Sleeves as Secondary Packaging
Sleeve boxes are often used as secondary packaging to add branding and required information while keeping the product visible. They’re especially useful when you want a finished retail look without the cost of a fully enclosed folding carton.
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Choose Your Box Style
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Enter Your Dimensions
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Style
Size:
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Width
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Height
Options:
UV
Hang Tab
Window
Volume
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18pt total costs
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24pt total costs
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How Does Box Pricing Work?
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Paper Thickness
Print Finishes
Measure
Reading a Ruler
Paperboard Thickness Chart
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What's a Good Paper Thickness for My Box?
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16pt (0.016″ ≈ slightly thicker than a business card)
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Best for very small product boxes.
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Rule of thumb: footprint (floor of the box) of about 1″ × 1″ or smaller.
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18pt (0.018″ ≈ just under credit-card thickness)
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Strong enough for most cosmetics, food, and shelf packaging.
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Cost-effective and versatile — the “everyday” choice for custom boxes.
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Rule of thumb: footprint of about 2.75″ × 2.75″ or smaller.
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24pt (0.024″ ≈ credit-card thickness)
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Stiffer and more rigid, with a premium feel in hand.
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Ideal for larger, heavier, or higher-end products where strength and presentation matter.
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Rule of thumb: footprint of about 3″ × 3″ or larger.
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Cardstock.... or Paperboard?
The paper behind your packaging matters
You may have seen box specs like “18pt cardstock” online — but not all 18pt paper is created equal.
• Cardstock: A thick paper used for crafts, postcards, and invitations. It’s cheaper and works for lighter packaging — but it lacks the stiffness and durability needed for most product boxes.
• Paperboard: A stiffer material engineered specifically for packaging. It folds cleanly, glues reliably, and holds its shape to protect your product — and your brand — on the shelf.
The key is knowing what you’re buying. In retail, your product box is what closes the sale — so it needs to perform and look its best. That’s why we use a quality paperboard — so your packaging doesn’t just hold together, it helps sell what’s inside.
Have Questions?
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But packaging projects are rarely that simple. If you're launching multiple products,
We can often get you better costs.
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Section 3
IS THIS RIGHT FOR YOUR PRODUCT?
When You Want to Show a Bit More
Sometimes a partial reveal works best.
Some products simply need to be seen, felt, or even smelled. Think soaps, bath products, textiles, or anything where color, texture, or fragrance is part of the buying experience. A sleeve keeps the product accessible while still giving you plenty of room for branding and product information.
Section 3-1
IS THIS RIGHT FOR YOUR PRODUCT?
Section 4
IS THIS RIGHT FOR YOUR PRODUCT?
Sleeve Options
Sleeve packaging can include display features and structural add-ons to match how your product is sold.
Glued, wrap-around, or tab-and-slit sleeve construction
Hang tabs for retail peg and hook displays
Built-in partitions to separate or protect multiple items
Die-cut windows for product visibility and retail presentation
Frequently Asked Questions About Sleeve Boxes
What’s the Difference Between a Sleeve and a Full Box?
A sleeve has open ends and slides over your product or container. It offers branding and structure without full enclosure.
Are Sleeve Boxes Eco-Friendly?
Yes. They’re made from recyclable paperboard and use less material than full cartons. FSC and recycled stock options available.
What are sleeve boxes used for?
Sleeve boxes are commonly used as secondary packaging for products like frozen food trays, multipacks, soft goods, and bundled retail items. A printed sleeve slides over a tray, product, or inner box to add branding and required information while keeping the product visible.
What’s the Minimum Order Quantity for Packaging Sleeves?
MOQ typically starts at 500 units but may vary depending on specs and finish.
Start Your Custom Sleeve Packaging Project
Tell us what your product is and how you plan to use the sleeve—we’ll recommend the best layout, material and finish to make it shine.
Work With Specialists in Paperboard Packaging
At The Box Co-op, custom folding cartons are all we do. From sleeve boxes to full product cartons, our team helps brands create packaging that performs on shelf and delights in-hand.