Grid-style cardboard cell dividers for organized product shipping

Precision-Engineered Custom Cell Dividers (Internal Box Partitions)

If you need to ship fragile or multi-part kits, an internal box structure can help keep items from touching or moving around. Our custom chipboard or corrugated cell dividers form a strong, organized grid to hold each item in place. This means you won’t need loose-fill peanuts or extra bubble wrap.

SKU: RCB410
Starting at: $0.30 / unit
Rated 5.0Read our Google Reviews
Free U.S. shipping • 8-10 business days turnaround
No minimums on all orders
30-day returnsView our Return Policy


Specification Details
Material Options Corrugated (B, C, E Flute), Chipboard, Solid Fiber
Cell Configuration From 2-cell to 100+ cell grids
Minimum Cell Size 0.5" x 0.5" x 1"
Maximum Box Size Custom-sized to fit any RSC or Mailer
Assembly Shipped flat (Pre-assembled or KD)
Sustainability 100% Recyclable

Better Protection with Smart Divider Design

If you’ve ever opened a shipping box and found your products piled at the bottom with packing material pushed to the top, you know how traditional loose packing can fail. When we tested these grids in high-vibration shipping, the difference was clear: the "rattle factor" was gone. Unlike air pillows that can pop or foam that breaks apart, these interlocking walls give your box a strong, stable structure.

These dividers work especially well for shipping liquids, cosmetics, or glassware. When you use them with die-cut inserts, you create a layered unboxing experience that looks and feels high-quality, not messy. The neat look of a well-fitted cell grid shows your customer that their order was packed with care before it left the warehouse.

Material Grades Designed for Any Payload

We offer a range of thicknesses and finishes to help you choose the right grade for your needs. No matter if you ship light pharmaceutical vials or heavy industrial parts, our materials stay reliable.

A Neat Presentation That Strengthens Your Brand

The way your products are arranged inside the box gives customers another good impression of your brand. Using cell partitions lets you create a neat, Bento-box style layout that makes your kits look thoughtfully organized.

Many clients add brand story cards or discount and coupon cards to some cells to enhance the organized look. This turns a basic shipping tool into a smart marketing opportunity. Instead of digging through packaging, customers see a clean, easy-to-find display right when they open the box.

Made for Quick Packing on the Line

Every second matters on the packing line. These dividers have V-notches and lead-in chamfers, so they open fast and fit into boxes in seconds. If you still wrap items by hand, switching to a pre-assembled grid can save up to 40% of your packing time. The dividers stay upright and sturdy, letting your team use both hands to place products instead of struggling with cardboard walls that fall over.

Frequently Asked Questions About Custom Box Dividers

Here are answers to the most common technical and design questions our engineering team gets. We hope this helps you choose the best option for your supply chain.

Read our Custom Packaging Support & Ordering FAQs →
How do I determine the right cell size for my product?

Start by measuring your product at its widest point. Add about 1/16 to 1/8 inch for a little extra room. This helps you pack the item easily without it moving around. For very delicate items, choose a snug fit and add a soft-touch liner.

What is the difference between chipboard and corrugated dividers?

Chipboard is thinner and is a good choice for small, light items such as essential oils or cosmetics. It allows you to fit more cells in a small area. Corrugated dividers have fluted layers that add cushioning, making them better for heavier items, glass bottles, or electronics that need extra protection.

Can these be customized for kits with varying item sizes?

Yes, we can help. We design custom grids for kits with items of different sizes. For example, if you have one large item and three small accessories, we can create partitions with different cell sizes in the same box so everything fits securely.

Do these arrive assembled or flat?

We offer both choices. Knocked Down (KD) dividers ship flat to save space, but you assemble them yourself. Pre-assembled dividers arrive ready to use. Most large businesses pick pre-assembled to save time and labor.

Are these dividers eco-friendly?

Yes, our standard partitions are made from 100% post-consumer waste and can be recycled at the curb. Unlike plastic or foam, these dividers are accepted by regular recycling centers, which helps your brand meet ESG (Environmental, Social, and Governance) goals.

Can I add branding or instructions to the dividers?

Dividers are usually plain, but we can print on them for you. Most brands choose to add instruction sheets or QR codes to the outer box or an insert card, since this is often a more cost-effective way to guide users through setup.